Musculature and Asymmetry in a Carboniferous Pseudo‐Bellerophontoidean Gastropod (Mollusca) | Zendy

Peel John S. | Zendy

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Musculature and Asymmetry in a Carboniferous Pseudo‐Bellerophontoidean Gastropod (Mollusca)

Author(s) -

Peel John S.

Publication year - 2001

Publication title -

palaeontology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.69

H-Index - 63

eISSN - 1475-4983

pISSN - 0031-0239

DOI - 10.1111/1475-4983.00175

Subject(s) - carboniferous , paleontology , mollusca , anatomy , biology , geology , ontogeny , bilateral symmetry , asymmetry , scars , zoology , physics , mechanical engineering , medicine , genetics , structural basin , engineering , surgery , quantum mechanics

A single pair of well‐preserved muscle attachment scars showing excellent detail on the umbilical surface is described in a supposed bellerophontoidean gastropod from the Carboniferous of Britain. Ontogenetic study reveals that the bilateral symmetry of the thick‐shelled adult masks an anisometric early growth stage, indicating that the gastropod is a pleurotomarioidean vetigastropod masquerading as a bellerophontoidean.

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