Echinodermata
Thyone psuedofusus
1. Out of water -image taken through lens of microscope (Leslie Bates)
Size
Length: 2cm (0.8")
Recognition Characters
Small burrowing form. Body tapers with mouth and anus directed dorsally. Podia is in double rows along radii and/or scattered on interradii, especially ventrally. Tentacles (10), ventral pair is smaller. Ossicles in body wall are oval tables with thick disc, 4 perforations; spire is robust, terminating in several small teeth, frequently arranged in 2 adjacent whorls; distinct "handle" or half-ring opposite spire on inner surface of disc. Podia ossicles are elongate and curved supporting tables with 2 or 3-pillar spires ending in a few teeth, end plate is well developed.
Color
Reddish white
Habitat & Depth
Soft sediments to 46m.
Distribution at GRNMS
May be common, but because of small size and burrowing nature in soft sediments species is difficult to observe.
Geographic Range
North Carolina south to the Dry Tortugas, Gulf of Mexico west to the Yucatan Peninsula, British West Indies
Behavior & Notes
Synonyms