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Spinatrypina recula
Taxonomy
Spinatrypina recula was named by Johnson (1970) [= Spinatrypa sp. B. Johnson 1966, p. 168, P1. 25, figs. 29-35.]. Its type specimen is USNM 16285, a shell, and it is a 3D body fossil. Its type locality is USNM 10802. 9100 feet ESE of Western Peak, Roberts Mountains, which is in an Eifelian marine packstone in the Denay Limestone Formation of Nevada.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Spinatrypina recula Johnson pp. 260 - 261 figs. P1. 53, figs. 18-30 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Spinatrypina recula Johnson 1970
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. G. Johnson 1970 | Ventral beak straight, foramen subhypothyrid, with deltidial plates; subequal biconvexity; costae prominent, tubular, crossed by numerous, lamellose, non-frilly growth lines; dental lamellae present. |