Tergomya
Classification
Phylum: Mollusca
Class: Tergomya (Evans & Cope, 2003)
Cincinnatian Orders: Cyrtonellida
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Synonyms: Referred to as Monoplacophora until 2003
Common Name: Commonly referred to as Monoplacophora
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Synonyms: Referred to as Monoplacophora until 2003
Common Name: Commonly referred to as Monoplacophora
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Geologic Range
Early Cambrian – Recent
Common Paleoecology
Monoplacophora is an extant class of epifaunal grazers
Characteristics of the Class
- Single shelled mollusks
- Cap or spoon shaped to arched
- Bilateral symmetry present in some
- Some longitudinally curved and asymmetrical
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Treatise on Invertebrate Paleontology, Part I, Vol. 1 (1960):
- Mollusks with a single shell, cap-shaped, or spoon-shaped to arched, in some groups bilaterally symmetrical, in others longitudinally curved and deviating from symmetry.
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Cyrtonellida
