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Jacoburbirostridae
Taxonomy
Jacoburbirostridae was named by Sartenaer (2014). Its type is Jacoburbirostrum.
It was assigned to Rhynchonellida by Sartenaer (2014).
It was assigned to Rhynchonellida by Sartenaer (2014).
Subtaxa
Jacoburbirostrum (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Jacoburbirostridae Sartenaer p. 607 |
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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. †Jacoburbirostridae Sartenaer 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Sartenaer 2014 | Size small. Outline subquadratic to subrounded, sometimes triangular. Few simple and regular costae. Me- dian costae, sulcus and fold starting close to the beaks; when more than two costae make up the fold, the intercalated middle one is depressed in its posterior part. Anterior com- missure deeply serrate. Sulcus deep and wide. Fold high. Apical angle small. Short dental plates separated from the wall of the shell by narrow umbonal cavities. Hinge plate di- vided. Septum thin. Septalium small and uncovered.
The small size of the shell and the characteristic costation (few regular, and simple costae) combined with a divided hinge plate supported by a thin septum, and narrow umbonal cavities, allow to separate the new family from all known families. |
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 | |||||
Collections
No collection or age range data are available