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Seaweed Shells -- June 2008

Copyright 2015 Jo O'Keefe All Rights Reserved

Costoanachis sertulariarum (d'Orbigny, 1841) Florida Dovesnail
Echinolittorina placida
   
   
Olivella cf. prefloralia
Ilyanassa obsoleta
Gemophos tinctus
Costoanachis avara
Costoanachis translirata
Rubellatoma rubella
   
Nassarius acutus
Nassarius acutus -- I have fallen in love with this shell.
Brachidontes exustus
Shells and the chain of egg cases from which they came
Donax parvulus -- This coquina is equally small but less fragile because it is intact.
Lunarca ovalis -- This is an equally small ark shell.
Petricola pholadiformis -- extremely small
Astyris lunata -- This is the smallest shell, so small that it felt like a large grain of sand between byssal threads that I pulled off of the shell above it. Note thread sticking out on right edge of above shell. Below this photo I have pasted a copy of the same species of shell, larger and easier to see and photograph, from this web page: Microscope Gastropod Photos.
Astyris lunata
   
Littoraria irrorata
Terebra dislocata
Anadara transversa
Astyris lunata
Ilyanassa trivittata