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Properotundirostrum miriam
Taxonomy
Leiorhynchus miriam was named by Johnson (1971) [Leiorhynchus sp. A Merriam 1940, Pl. 8, figs. 18, 19.]. Its type specimen is USNM 157376 and is a 3D body fossil.
It was recombined as Properotundirostrum miriam by Sartenaer (1986).
It was recombined as Properotundirostrum miriam by Sartenaer (1986).
Subspecies
Synonymy list
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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.
†Properotundirostrum miriam Johnson 1971
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†Leiorhynchus miriam miriam Johnson 1971
†Leiorhynchus miriam alpha Johnson 1971
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. G. Johnson 1971 | Subequally biconvex, non-subcuboidal Leiorhynchus with faintly developed costae on both flanks and mid-regions. Dental lamellae converge to meet or nearly meet at the base of the valve. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||