Chiton, which is a mollusk with seven overlapping plates on its top surface, which in this one are brown and white patterned, but fringed by a black-white speckled fleshy "skirt." Chiton is on a craggy light-gray limestone surface, and two piles of 7-9 little gray pellets are directly behind and below the chiton. A black scale bar = 1 centimeter long.
For #MolluscMonday, West Indian fuzzy chiton (Acanthopleura granulata) in rocky intertidal zone on San Salvador Island (The Bahamas 🇧🇸) changing limestone into mud as fecal pellets. Wrote more about this in my book 'Life Sculpted' (2023, @uchicagopress.bsky.social). press.uchicago.edu/ucp/books/bo...