monoplacophorans
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Monoplacophora — Monoplacophorans Temporal range: early Cambrian–mid Devonian … Wikipedia
Mollusca — Temporal range: Cambrian–Recent … Wikipedia
monoplacophoran — ▪ mollusk class (class Tryblidia), any of a group of primitive marine mollusks characterized by a single, cap shaped shell and bilateral symmetry. The term Tryblidia is preferred over Monoplacophoran and Galeroconcha, because both latter… … Universalium
Cambrian substrate revolution — The Cambrian substrate revolution cite journal | author=Bottjer, D.J., Hagadorn, J.W., and Dornbos, S.Q. | title=The Cambrian substrate revolution | journal= | volume=10 | date=2000 | url=http://www.amherst.edu/ jwhagadorn/publications/CSR.pdf |… … Wikipedia
Mollusc shell — Closed and open shells of a marine bivalve, Petricola pholadiformis. A bivalve shell is composed of two hinged valves which are joined by a ligament … Wikipedia
Caudofoveata — Anterior 1.4 mm of a fixed and stained specimen of Falcidens sp. Scientific classification Kingdom … Wikipedia
Nacre — Mother of pearl redirects here. For other uses, see Mother of pearl (disambiguation). Part of a series on Seashells … Wikipedia
Conchifera — Scientific classification Kingdom: Animalia Phylum … Wikipedia
Scenella — Temporal range: Early Cambrian–Middle Ordovician[1] … Wikipedia
Diasomes — Diasoma Solen … Wikipédia en Français
