Hemithecella
| Hemithecella Temporal range:
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Polyplacophora |
| Order: | †Paleoloricata |
| Family: | †Mattheviidae |
| Genus: | †Hemithecella |
Hemithecella is a problematic genus of Ordovician mollusc proposed by Stinchcomb and Darrough in 1995.[1] Hemithecella belongs to what are informally known as multiplated molluscs; it is found in the late Cambrian of the Ozarks and the Lower Ordovician of the same region as well as in Minnesota and the southern Appalachian Mountains. Hemithecella has muscle scars identical to a monoplacophoran and not the musculature of a chiton to which some authors have suggested the multiplated molluscs belong. It is therefore classified in the Mattheviidae.[2]
References[edit]
- ^ Stinchcomb, B. L.; Darrough, G. (1 January 1995). "Some Molluscan Problematica from the Upper Cambrian. Lower Ordovician of the Ozark Uplift". Journal of Paleontology. 69 (1): 52–65. ISSN 0022-3360. JSTOR 1306279.
- ^ Pojeta, J. Jr.; Vendrasco, M. J.; Darrough, G. (2010). "Upper Cambrian chitons (Mollusca, Polyplacophora) from Missouri". Bull Amer Paleo. (379): 1–82. ISSN 0007-5779.
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