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Sapphicorhynchidae
Taxonomy
Sapphicorhynchidae was named by Sartenaer (2007).
It was assigned to Rhynchonelloidea by Sartenaer (2007).
It was assigned to Rhynchonelloidea by Sartenaer (2007).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Sapphicorhynchidae Sartenaer pp. 41 - 43 |
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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.
Fm. †Sapphicorhynchidae Sartenaer 2007
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Sartenaer 2007 | Shell of medium to medium-large size with strongly dorsibiconvex profile and subcircular to subpentagonal outline; top of shell posterior to front; short ventral interarea, well marked lunulae; angle of the cardinal commissure wide. Sulcus wide, moderately deep, fold low, start at a short distance from beaks; costae well marked, simple, regular, in moderate number, start at the beaks, and strongly indent the commissure; parietal costae sometimes present. Delicate internal structures. Undivided hinge plate, crura raduliform. Dental plates separated from the wall by wide umbonal cavities; septum long; septalium wide and deep, amphora-shaped; connectivum covering anterior part of septalium. |