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Isorropodon humptulipsense
Taxonomy
Isorropodon humptulipsense was named by Kiel et al. (2023). It is a 3D body fossil. Its type locality is CSUN Loc. 1583 - Humptulips River [Humptulips Fm], which is in a Lutetian deep subtidal siltstone/sandstone in the Humptulips Formation of Washington.
Synonymy list
| Year | Name and author |
|---|---|
| 2023 | Isorropodon humptulipsense Kiel et al. p. 301 figs. Fig. 3 |
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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.
†Isorropodon humptulipsense Kiel et al. 2023
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Kiel et al. 2023 | Well-inflated shells reaching nearly 35 mm in length, umbones elevated, prosogyrate; lunule deeply in- cised; broad escutcheon bordered by blunt ridges; pallial line distinct, anteriorly narrow, posteriorly broadening, curving upward, either evenly or with slight indentation, no pallial sinus; RV hinge with elongate cardinal teeth 1 and 3a running parallel to shell margin, 3b pointing postero- ventrally; LV hinge with cardinal teeth 2a and 2b elongate, parallel to shell margin, 2b with small posterior peg. |