NOTE: This list contains all known references to trilobite eggs and reproduction. This area of study is often speculative, and frought with poorly thought out ideas. . .
Trilobite eggs, ontogeny and reproduction (298)
1. Adrain, J. M., Peters, S. E. & Westrop, S. R. (2009). The Marjuman trilobite Cedarina Lochman: thoracic morphology, systematics, and new species from western Utah and eastern Nevada, USA. Zootaxa 2218, 35–58.
2. Alberti, G. K. B. (1971). Sexual-Dimorphismus (?) bei Cheirurus (Crotalocephalus) cf. pauper Barrande, 1852 (Trilobita, Devon). Paläontologische Zeitschrift 45, 167–172.
3. Alberti, H. (1972). Ontogenetische Stadien von Phacopiden-Komplexaugen - Trilobiten. Beiträge Elektronenmikroskopische Direktabbildung und Analyse von Oberflächen 5, 797–809.
4. Alberti, H. (1972). Ontogenie des Trilobiten Phacops accipitrinus. Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen 141, 1–36.
5. Alberti, M. (2023). Kleine Raritäten: Juvenile Trilobiten aus dem Rupbach-Schiefer [Small rarities: Juvenile trilobites from the Rupbach Shale]. Fossilien 4, 53–60.
6. An, S.-L., Duan, J.-H. & Zhang, M.-S. (1996). Ontogeny of Shantungaspis aclis (Trilobita). Journal of Changchun University of Earth Sciences 26, 13–17.
7. Balašova, E. A. (1974). Ontogeny of the trilobites Ceratopyge forficula and Promegalaspides kasachstanensis. Paleontological Journal 8, 486–492.
8. Barrande, J. (1872). Systême silurien du centre de la Bohême, Ière Partie; Recherches paléontologiques, I. Supplément. 647.
9. Basse, M. (2012). Revision und Ontogenie des Trilobiten Drevermannia schmidti Richter, 1913 aus dem Oberdevon des Bergischen Landes. Zitteliana A 52, 9–58.
10. Beckmann, H. (1951). Zur Ontogenie der Sehflaeche grossaeugiger Phacopiden. Paläontologische Zeitschrift 24, 126–141.
11. Benedetto, J. L. & Toro, M. (1975). Desarrollo ontogenetico de Thysanopyge argentina Kayser (Trilobita) y la validez de Megalaspis saltaensis (Kayser). 1° Congreso Argentino de Paleontología y Bioestratigrafía, Actas 1, 175–190.
12. Bernárdez, E., Esteve, J., Laibl, L., Rábano, I. & Gutiérrez Marco, J. C. (2019). Early post-embryonic trilobite stages and possible eggs from the ‘Tu_nel Ordov_ıcico del Fabar’ (Middle Ordovician, northwestern Spain). Fossils and Strata 64, 23–33.
13. Bicknell, R. D. C., Paterson, J. R. & Hopkins, M. J. (2019). A trilobite cluster from the Silurian Rochester Shale of New York: predation patterns and possible defensive behavior. American Museum Novitates 2019, 1–16.
14. Bignon, A. & Crônier, C. (2012). Evolutionary modifications of ontogeny of three Dechenella species (Proetidae), from the Middle Devonian of the Ardenne Massif (France). Journal of Paleontology 86, 558–566.
15. Bignon, A., Waisfeld, B. G., Vaccari, N. E. & Chatterton, B. D. E. (2020). Reassessment of the Order Trinucleida (Trilobita). Journal of Systematic Palaeontology 18, 1061–1077.
16. Billings, E. (1870). Notes on some specimens of Lower Silurian trilobites. Quarterly Journal of the Geological Society of London 26, 479–486.
17. Bird, C. & Clarkson, E. N. K. (2003). Observations on the ontogeny of the upper Cambrian trilobite Peltura scarabaeoides westergaardi Henningsmoen, 1957. Geologiska Föreningens i Stockholm Förhandlingar 125, 177–190.
18. Bruthansová, J. (2003). The trilobite family Illaenidae Hawle et Corda, 1847 from the Ordovician of the Prague Basin (Czech Republic). Transactions of the Royal Society of Edinburgh: Earth Sciences 93, 167–190.
19. Bruthansová, J. (2019). Preliminary report on the study of ontogeny and taphonomy of trilobite Onnia superba (Bancroft, 1929) from the Bohemian Ordovician (Katian, Bohdalec Formation). Geoscience Research Reports 52, 125–128.
20. Budil, P., Crônier, C., Manda, Š., Fatka, O., Laibl, L. & Bignon, A. (2013). Juvenile phacopid trilobites from the Prague Basin (Czech Republic). Paläontologische Zeitschrift 87, 219–234.
21. Campbell, M. (1994). Systematics of Silurian lichid trilobites from the Mackenzie Mountains, Canada. Ph.D. thesis, University of Alberta, Edmonton, AB, Canada (CAN), 208 pp.
22. Campbell, M. J. & Chatterton, B. D. E. (2009). Silurian lichid trilobites from the northwestern Canada: Ontogeny and phylogeny of lichids. Journal of Paleontology 83, 263–279.
23. Castellani, C., Haug, J. T., Haug, C., Maas, A., Schoenemann, B. & Waloszek, D. (2012). Exceptionally well-preserved isolated eyes from Cambrian ‘Orsten’ fossil assemblages of Sweden. Palaeontology 55, 553–566.
24. Cederstrom, P., Geyer, G., Ahlberg, P., Nilsson, C. H. & Ahlgren, J. (2022). Ellipsocephalid trilobites from Cambrian Series 2 and Stage 4. Fossils and Strata 67, 1–131.
25. Cederström, P., Ahlberg, P., Clarkson, E. N. K., Nilsson, C. H. & Axheimer, N. (2009). The lower Cambrian eodiscoid trilobite Calodiscus lobatus from Sweden: morphology, ontogeny and distribution. Palaeontology 52, 491–539.
26. Cederström, P., Ahlberg, P., Nilsson, C. H., Ahlgren, J. & Eriksson, M. E. (2011). Moulting, ontogeny and sexual dimorphism in the Cambrian ptychopariid trilobite Strenuaeva inflata from the northern Swedish Caledonides. Palaeontology 54, 685–703.
27. Chatain, G. (2006). Etude de la covariation du complexe glabelle/hypostome chez un trilobite Proetoide Cyrtosymbole rectifrons: approaches morphometriques—interpretations paleobiologiques. Ph.D. thesis, Universite Montpellier II, 1 pp.
28. Chatterton, B. D. E. (1971). Taxonomy and ontogeny of Siluro-Devonian trilobites from near Yass, New South Wales. Palaeontographica Abteilung A 137, 1–108.
29. Chatterton, B. D. E. (1980). Ontogenetic studies of Middle Ordovician trilobites from the Esbataottine Formation, Mackenzie Mountains, Canada. Palaeontographica Abteilung A 171, 1–74.
30. Chatterton, B. D. E. & Speyer, S. E. (1990). Applications of the study of trilobite ontogeny. Short Courses in Paleontology: Arthropod Paleobiology 3, 116–136.
31. Chatterton, B. D. E., Edgecombe, G. D., Speyer, S. E., Hunt, A. S. & Fortey, R. A. (1994). Ontogeny and relationships of Trinucleoidea (Trilobita). Journal of Paleontology 68, 523–540.
32. Chatterton, B. D. E., Edgecombe, G. D., Vaccari, N. E. & Waisfeld, B. G. (1997). Ontogeny and relationships of the Ordovician odontopleurid trilobite Ceratocara, with new species from Argentina and New York. Journal of Paleontology 71, 108–125.
33. Chatterton, B. D. E., Edgecombe, G. D., Waisfeld, B. G. & Vaccari, N. E. (1998). Ontogeny and systematics of Toernquistiidae (Trilobita, Proetida) from the Ordovician of the Argentine Precordillera. Journal of Paleontology 72, 273–303.
34. Chatterton, B. D. E., Edgecombe, G. D., Vaccari, N. E. & Waisfeld, B. G. (1999). Ontogenies of some Ordovician Telephinidae from Argentina, and larval patterns in the Proetida (Trilobita). Journal of Paleontology 73, 219–239.
35. Chatterton, B. D. E. & Fortey, R. A. (2008). Linear clusters of articulated trilobites from lower Ordovician (Arenig) strata at Bini Tinzoulin, North of Zagora, Southern Morocco. Cuadernos del Museo Geominero, n°9 Advances in Trilobite Research, 73–78.
36. Chen, Z., Zhao, Y., Yang, X., Esteve, J., Liu, X. & Chen, S. (2023). Life cycle evolution in the trilobites Balangia and Duyunaspis from the Cambrian Series 2 (Stage 4) of South China. PeerJ 11, e15068.
37. Chien, Y. (1958). Ontogeny of a new Upper Cambrian trilobite from Penchi, Liaoning. Acta Palaeontologica Sinica 6, 453–477.
38. Choi, D. K. & Lee, D.-C. (1993). Ontogeny and cephalic structures of Asaphid trilobite Dolerobasilicus from Korea. Journal of the Geological Society of Korea 29, 73–83.
39. Choi, D. K. & Park, T.-Y. S. (2017). Recent advances of trilobite research in Korea: Taxonomy, biostratigraphy, paleogeography, and ontogeny and phylogeny. Geosciences Journal 21, 891–911.
40. Clarkson, E. N. K. & Zhang, X.-G. (1991). Ontogeny of the Carboniferous trilobite Paladin eichwalidi shunnerensis (King 1914). Transactions of the Royal Society of Edinburgh: Earth Sciences 82, 277–295.
41. Clarkson, E. N. K. & Taylor, C. M. (1995). Ontogeny of the trilobite Olenus wahlenbergi Westergård, 1922 from the upper Cambrian Alum Shales of Andrarum, Skåne, Sweden. Transactions of the Royal Society of Edinburgh: Earth Sciences 86, 13–34.
42. Clarkson, E. N. K., Taylor, C. M. & Ahlberg, P. (1997). Ontogeny of the trilobite Parabolina spinulosa (Wahlenberg, 1818) from the upper Cambrian Alum Shales of Sweden. Transactions of the Royal Society of Edinburg: Earth Sciences 88, 69–89.
43. Clarkson, E. N. K. & Ahlberg, P. (2002). Ontogeny and structure of a new, miniaturised and spiny olenid trilobite from southern Sweden. Palaeontology 45, 1–22.
44. Clarkson, E. N. K., Ahlgren, J. & Taylor, C. M. (2003). Structure, ontogeny, and moulting of the olenid trilobite Ctenopyge (Eoctenopyge) angusta Westergård, 1922 from the Upper Cambrian of Västergötland, Sweden. Palaeontology 46, 1–27.
45. Clarkson, E. N. K., Ahlgren, J. & Taylor, C. M. (2004). Ontogeny, structure and functional morphology of some spiny Ctenopyge species (Trilobita) from the upper Cambrian of Västergötland, Sweden. Transactions of the Royal Society of Edinburgh: Earth Sciences 94, 115–143.
46. Clarkson, E. N. K., Levi-Setti, R. & Horváth, G. (2006). The eyes of trilobites; the oldest preserved visual system. Arthropod Structure & Development 35, 247–259.
47. Clarkson, E. N. K. (2011). The life and times of the olenid trilobites. Geologické výzkumy na Moravě a ve Slezsku 2011, 11–17.
48. Clausen, S. (2004). Paedomorphic patterns of the Cambrian genus Alueva (Trilobita, Ellipsocephalidae) from the Iberian Chains (NE Spain). Geobios 37, 336–345.
49. Corrales-García, A., Esteve, J., Zhao, Y. & Yang, X. (2020). Synchronized moulting behaviour in trilobites from the Cambrian Series 2 of South China. Scientific Reports 10, 14099.
50. Crônier, C. & Feist, R. (1997). Morphologie et évolution ontogénétique de Trimerocephalus lelievrei nov. sp., premier trilobite phacopidé aveugle du Fammennien Nord-Africain. Geobios M.S. no 20, 161–170.
51. Crônier, C., Renaud, S., Feist, R. & Auffray, J.-C. (1998). Ontogeny of Trimerocephalus lelievrei (Trilobita, Phacopida), a representative of the Late Devonian phacopine paedomorphocline: a morphometric approach. Paleobiology 24, 359–370.
52. Crônier, C., Bartzsch, K., Weyer, D. & Feist, R. (1999). Larval morphology and ontogeny of a Late Devonian phacopid with reduced sight from Thuringia, Germany. Journal of Paleontology 73, 240–255.
53. Crônier, C., Auffray, J.-C. & Courville, P. (2005). A quantitative comparison of the ontogeny of two closely-related Upper Devonian phacopid trilobites. Lethaia 38, 123–135.
54. Crônier, C. & Fortey, R. A. (2006). Morphology and ontogeny of an Early Devonian phacopid trilobite with reduced sight from southern Thailand. Journal of Paleontology 80, 529–536.
55. Crônier, C. (2007). Larval morphology and ontogeny of an Upper Devonian phacopid: Nephranops from Thuringia, Germany. Journal of Paleontology 81, 684–700.
56. Crônier, C., Delabroye, A. & Miclot, L. (2008). A quantitative comparison of the ontogeny of two closely related Trinucleidae trilobites from Upper Ordovician. Cuadernos del Museo Geominero, n°9 Advances in Trilobite Research, 85–90.
57. Crônier, C. (2010). Varied development of trunk segmentation in three related Upper Devonian phacopine trilobites. Historical Biology 22, 341–347.
58. Crônier, C., Bignon, A. & François, A. (2011). Morphological and ontogenetic criteria for defining a trilobite species: The example of Siluro-Devonian Phacopidae. Comptes Rendus Palevol 10, 143–153.
59. Crônier, C. (2013). Morphological disparity and developmental patterning: contribution of phacopid trilobites. Palaeontology 56, 1263–1271.
60. Crônier, C., Budil, P., Fatka, O. & Laibl, L. (2015). Intraspecific bimodal variability in eye lenses of two Devonian trilobites. Paleobiology 41, 554–569.
61. Cui, L.-H., Dai, T., Zhang, X.-L. & Peng, S.-C. (2019). Morphology and ontogeny of the eodiscoid trilobite Pagetia vinusta from the Cambrian (Miaolingian) of South China. Paläontologische Zeitschrift 93, 195–206.
62. Dai, T. & Zhang, X.-L. (2008). Ontogeny of the trilobite Yunnanocephalus yunnanensis from the Chengjiang lagerstätte, lower Cambrian, southwest China. Alcheringa 32, 465–468.
63. Dai, T. & Zhang, X.-L. (2011). Ontogeny of the eodiscoid trilobite Tsunyidiscus acutus from the Lower Cambrian of South China. Palaeontology 54, 1279–1288.
64. Dai, T. & Zhang, X.-L. (2012). Ontogeny of the redlichiid trilobite Metaredlichia cylindrica from the Lower Cambrian (Stage 3) of South China. Journal of Paleontology 86, 646–651.
65. Dai, T. & Zhang, X. L. (2012). Ontogeny of the trilobite Estaingia sinensis (Chang) from the Lower Cambrian of South China. Bulletin of Geosciences 87, 151–158.
66. Dai, T. & Zhang, X. (2013). Morphology and ontogeny of the eodiscoid trilobite Sinodiscus changyangensis from the lower Cambrian of South China. Palaeontology 56, 411–420.
67. Dai, T., Zhang, X.-L. & Peng, S.-C. (2014). Morphology and ontogeny of Hunanocephalus ovalis (trilobite) from the Cambrian of South China. Gondwana Research 25, 991–998.
68. Dai, T., Zhang, X.-L., Peng, S.-C. & Yao, X.-Y. (2017). Intraspecific variation of trunk segmentation in the oryctocephalid trilobite from the Cambrian (Stage 4, Series 2) of South China. Lethaia 50, 527–539.
69. Dai, T., Hughes, N. C., Zhang, X. & Peng, S. (2021). Development of the early Cambrian oryctocephalid trilobite Oryctocarella duyunensis from western Hunan, China. Journal of Paleontology 95, 777–792.
70. Dai, T., Zhang, X. & Peng, S. (2023). Developmental traits and life strategy of redlichiid trilobites. Biological Reviews 98, 63–80.
71. Delabroye, A. & Crônier, C. (2008). Ontogeny of an Ordovician trinucleid (Trilobita) from Armorica, France: A morphometric approach. Journal of Paleontology 82, 800–810.
72. Drage, H. B. & Daley, A. C. (2016). Recognising moulting behaviour in trilobites by examining morphology, development and preservation: Comment on Błażejowski et al. 2015. Bioessays 38, 981–990.
73. Drage, H. B., Laibl, L. & Budil, P. (2018). Postembryonic development of Dalmanitina, and the evolution of facial suture fusion in Phacopina. Paleobiology 44, 638–659.
74. Du, G.-y., Peng, J., Wang, D.-z., Wen, R.-q. & Liu, S. (2020). Morphology and trunk development of the trilobite Arthricocephalus chauveaui from the Cambrian series 2 of Guizhou, South China. Historical Biology 32, 174–186.
75. Edgecombe, G. D. (1987). Systematics, ontogeny and evolution of encrinurine trilobites. Ph.D. thesis, University of Alberta, Edmonton, 259 pp.
76. Edgecombe, G. D., Chatterton, B. D. E., Vaccari, N. E. & Waisfeld, B. G. (1997). Ontogeny of the proetoid trilobite Stenoblepharum, and relationships of a new species from the Upper Ordovician of Argentina. Journal of Paleontology 71, 419–433.
77. Endo, R. & Resser, C. E. (1937). The Sinian and Cambrian formations and faunas of southern Manchoukuo. Manchurian Science Museum Bulletin 1, 1–474.
78. Endo, R. (1939). Description of Blackwelderia quadrata n. sp. and its post-embryonic development. Bulletin of the Central National Museum of Manchoukuo 1, 1–6.
79. Eriksson, M. E. & Horn, E. (2017). Agnostus pisiformis — a half a billion-year old pea-shaped enigma. Earth-Science Reviews 173, 65–76.
80. Esteve, J. (2014). Intraspecific variability in paradoxidid trilobites from the Purujosa trilobite assemblage (middle Cambrian, northeast Spain). Acta Palaeontologica Polonica 59, 215–240.
81. Esteve, J., Zhao, Y. & Peng, J. (2017). Morphological assessment of the Cambrian trilobites Oryctocephalus indicus (Reed 1910) from China and Oryctocephalus ‘reticulatus’ (Lermontova 1940) from Siberia. Lethaia 50, 175–193.
82. Evitt, W. R. (1961). Early ontogeny in the trilobite family Asaphidae. Journal of Paleontology 35, 986–995.
83. Fatka, O., Herynk, J. & Najman, P. (2004). New finds of agnostid trilobites in the Skryje-Týřovice area (Middle Cambrian, Barrandian area, Czech Republic). Journal of the Czech Geological Society = Casopis Ceske Geologicke Spolecnosti 49, 75–80.
84. Feist, R. & Lerosey-Aubril, R. (2008). Assessing the hypothesis of a third tagma in scutelluid trilobites: arguments from ontogenetic, functional, and evolutionary perspectives. Cuadernos del Museo Geominero, n°9 Advances in Trilobite Research, 127–133.
85. Fortey, R. A. (1990). Ontogeny, hypostome attachment and trilobite classification. Palaeontology 33, 529–576.
86. Fortey, R. A. & Hughes, N. C. (1998). Brood pouches in trilobites. Journal of Paleontology 72, 638–649.
87. Fritz, M. A. (1946). On the meraspid period of Isotelus maximus Locke. Transactions of the Royal Society of Canada, Third Series, Section 4 40, 27–32.
88. Fu, D., Ortega-Hernández, J., Daley, A. C., Zhang, X. & Shu, D. (2018). Anamorphic development and extended parental care in a 520 million-year-old stem-group euarthropod from China. BMC Evolutionary Biology 18, 147.
89. Fusco, G., Hughes, N. C., Webster, M. & Minelli, A. (2004). Exploring developmental modes in a fossil arthropod: Growth and trunk segmentation of the trilobite Aulacopleura konincki. American Naturalist 163, 167–183.
90. Fusco, G., Hong, P. S. & Hughes, N. C. (2016). Axial growth gradients across the postprotaspid ontogeny of the Silurian trilobite Aulacopleura koninckii. Paleobiology 42, 426–438.
91. Geyer, G. & Peel, J. S. (2017). Middle Cambrian trilobites from the Ekspedition Bræ Formation of North Greenland, with a reappraisal of the genus Elrathina. Journal of Paleontology 91, 265–293.
92. Geyer, G. (2017). Trilobites of the Galgenberg Member (Tannenknock Formation), middle Cambrian Stage 5, Franconian Forest, Germany: a paradigmatic lowermost middle Cambrian West Gondwanan fauna. PalZ 91, 5–70.
93. Gishlick, A. D. & Fortey, R. A. (2003). Trilobite tridents demonstrate sexual combat at 400 Mya. Proceedings of the National Academy of Science of the United States of America 120, e2119970120.
94. Goo, C. (2021). Trilobites sexual dimorphism - The discover of the oldest known morphological difference between male and female dating back to Cambrian. Smashwords Edition.
95. Gozalo, R., Liñan, E. & Dies, M. E. (2003). Intraspecific dimorphism in an evolutionary series of paradoxidids from the Middle Cambrian of Murero, Spain. Special Papers in Palaeontology 70, 141–156.
96. Greenberger, R. E. (2020). Investigating rare biomineralization structures in trilobites. Ph.D. thesis, University of Alabama, Tuscaloosa, AL, 1 pp.
97. Gröning, E. (1985). Variabilitat und postlarvale ontogenie von Archegonus (Archegonus) antecedens (Trilobita; Unter-Karbon). Senckenbergiana lethaea 65, 443–463.
98. Gutiérrez-Marco, J. C., Sá, A. A., García-Bellido, D., Rábano, I. & Valério, M. (2009). Giant trilobites and trilobite clusters from the Ordovician of Portugal. Geology 37, 443–446.
99. Hahn, G. (1964). Trilobiten der unteren Pericyclus-Stufe (Unterkarbon) aus dem Kohlenkalk Belgiens. Teil 3: Phillipsia truncatula (Phillips 1836), Cummingella jonesi cf. belgica (V. N. Weber 1937). - Allgemeine Bemerkungen zur postlarvalen Ontogenie isoleirter Pygidien. - Fundort und Fundschicht der Modvae-Trilobiten). Senckenbergiana Lethaea 45, 459–487.
100. Hahn, G. (1966). Morphologie, Variabilität und postlarvale Ontogenie von Archegonus (Phillibole) nitidus und Archegonus (Angustibole) winterbergensis (Trilobita; Unter-Karbon). Senckenbergiana Lethaea 47, 347–383.
101. Hansen, T. (2010). Cyrtometopinid trilobites from the upper Volkhov and lower Lynna formations (lower Darriwilian) of NW Russia. Bulletin of the Geological Society of Denmark 58, 1–13.
102. Hegna, T. A., Martin, M. J. & Darroch, S. A. F. (2017). Pyritized trilobite eggs from the Ordovician of New York (Lorraine Group): Implications for trilobite reproductive biology. Geology 45, 199–202.
103. Holmes, J. D., Paterson, J. R. & García-Bellido, D. C. (2020). The trilobite Redlichia from the lower Cambrian Emu Bay Shale Konservat-Lagerstätte of South Australia: systematics, ontogeny and soft-part anatomy. Journal of Systematic Palaeontology 18, 295–334.
104. Holmes, J. D., Paterson, J. R. & García-Bellido, D. C. (2021). Complex axial growth patterns in an early Cambrian trilobite from South Australia. Proceedings of the Royal Society B 288, 20212131.
105. Holmes, J. D., Paterson, J. R., Jago, J. B. & García-Bellido, D. C. (2021). Ontogeny of the trilobite Redlichia from the lower Cambrian (Series 2, Stage 4) Ramsay Limestone of South Australia. Geological Magazine 158, 1209–1223.
106. Holmes, J. D., Paterson, J. R. & García‐Bellido, D. C. (2021). The post‐embryonic ontogeny of the early Cambrian trilobite Estaingia bilobata from South Australia: trunk development and phylogenetic implications. Papers in Palaeontology 7, 931–950.
107. Hong, P. S., Hughes, N. C. & Sheets, H. D. (2014). Size, shape, and systematics of the Silurian trilobite Aulacopleura koninckii. Journal of Paleontology 88, 1120–1138.
108. Hopkins, M. J. & Webster, M. (2008). Morphological and ontogenetic change in the “Early” Cambrian trilobite Zacanthopsis during an interval of environmental change. Cuadernos del Museo Geominero, n°9 Advances in Trilobite Research, 185–187.
109. Hopkins, M. J. & Webster, M. (2009). Ontogeny and geographic variation of a new species of the corynexochine trilobite Zacanthopsis (Dyeran, Cambrian). Journal of Paleontology 83, 524–547.
110. Hopkins, M. J. & Pearson, J. K. (2016). Non-linear ontogenetic shape change in Cryptolithus tesselatus (Trilobita) using three-dimensional geometric morphometrics. Palaeontologia Electronica 19, 1–54.
111. Hopkins, M. J. (2017). Development, trait evolution, and the evolution of development in trilobites. Integrative and Comparative Biology 57, 488–498.
112. Hopkins, M. J. (2021). Ontogeny of the trilobite Elrathia kingii (Meek) and comparison of growth rates between Elrathia kingii and Aulacopleura koninckii (Barrande). Papers in Palaeontology 7, 985–1002.
113. Hou, J.-B., Hughes, N. C., Lan, T., Yang, J. & Zhang, X.-G. (2015). Early postembryonic to mature ontogeny of the oryctocephalid trilobite from the lower Cambrian (Series 2) of southern China. Papers in Palaeontology 1, 497–513.
114. Hou, J.-B., Hughes, N. C., Yang, J., Lan, T., Zhang, X.-G. & Dominguez, C. (2017). Ontogeny of the articulated yiliangellinine trilobite Zhangshania typica from the lower Cambrian (Series 2, Stage 3) of southern China. Journal of Paleontology 91, 86–99.
115. Hu, C.-H. (1963). The dimorphism and ontogeny of Norwoodella halli Resser. Transactions and Proceedings of the Palaeontological Society of Japan, N. S. 52, 129–132.
116. Hu, C.-H. (1964). Ontogeny and dimorphism of the trilobite Peltura scarabaeoides (Wahlenberg) from the Upper Cambrian of Norway. Journal of the Palaeontological Society of India 5-9, 39–44.
117. Hu, C.-H. (1964). The ontogeny and dimorphism of Welleraspis lata Howell (Trilobita). Journal of Paleontology 38, 95–97.
118. Hu, C.-H. (1968). Notes on the ontogeny and sexual dimorphism of Upper Cambrian trilobites of the Welleraspis faunule from Pennsylvania. Journal of Nanyang University 2, 321–357.
119. Hu, C.-H. (1968). Ontogeny and sexual dimorphism of lower Paleozoic Trilobita. Ph.D. thesis, University of Cincinnati, Cincinnati, 404 pp.
120. Hu, C.-H. (1969). Ontogeny and sexual dimorphism of three Upper Cambrian trilobites. Journal of Nanyang University 3, 438–462.
121. Hu, C.-H. (1970). Ontogenies and sexual dimorphisms of two upper Cambrian trilobites. Proceedings of the Geological Society of China 13, 143–155.
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