Scientific Classification
| Kingdom: Animalia |
| Phylum: Brachiopoda |
| Class: Rhynchonellata |
| Order: Terebratulida |
| Family: Cryptonellidae |
| Genus: Cryptonella |
| Species: Cryptonella planirostra (Hall, 1860) |
Information
Geological Range
Paleogeographic Distribution
Stratigraphic Occurrences
| Tully Formation |
| Mahantango Formation |
| Plum Brook Formation |
References
Hall, J., 1867: p. 395-396, pl. 61.
Linsley, D., 1994: p. 218, figs. 1-19.
Wilson, K., 2014 (as Cryptonella planirostris): pp. 118, 119]
Remarks
Originally described as Terebratula planirostra by Hall in 1860. Recombined as Cryptonella planirostra by Hall in 1863.
From Wilson (2014, p. 119): “Shell with very convex valves, somewhat truncated at margin opposite the hinge, giving a vaguely pentagonal outline. To 20mm.”
From Carl Brett: A rare brachiopod, found mainly in the lower Tully fauna of NY; Also reported from the lower Mahanatango “first Terebratula Zone” of Pennsylvania and the lower Plum Brook Shale of north central Ohio.
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