chiton

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Related to Polyplacophoran: class Polyplacophora, Chitons

chiton

the common name for any member of the class Polyplacophora (= Loricata) - primitive molluscs which have a creeping foot and a dorsal shell formed of a series of plates (usually 8).
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The present study clearly shows (Table 2) that chiton diversity on these islands has been considerably underestimated to date, and has now been increased to a total of 12 polyplacophoran species (including the ones reported before).
Several ambulatory animals, such as the sea urchin Paracentrotus lividus, blennies (Blennius canevae), the polyplacophoran Acanthochiton fascicularis (in the lower right corner), one of several species of limpet (Patella coerulea), top shell (Monodonta turbinata), and the hairy crab Eriphia verrucosa, can also be found here.
As such, these joints (such as the distal leg segments of smaller insects and the joints between polyplacophoran [chiton] valves) have limited ability to resist loading in compression (Wainwright et al, 1982).
2D)--again a recapitulative event in the life history of the polyplacophoran larva.
1999; Page and Parries, 2000; Dickinson and Croll, 2003), a palleogastropod (Page, 2002a), various polyplacophoran species (Voronezhskaya et al.
Polyplacophoran vela are composed of one to three rows of prototrochal bands (Grave, 1932; pers.
Embryos of a polyplacophoran (Acanthochiton) and a scaphopod (Dentalium) showed an expression pattern completely comparable with that in Patella (A.