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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Jacoburbirostrum
Taxonomy
Jacoburbirostrum was named by Sartenaer (2014). Its type is Atrypa duplicata. It is the type genus of Jacoburbirostridae.
It was assigned to Jacoburbirostridae by Sartenaer (2014).
It was assigned to Jacoburbirostridae by Sartenaer (2014).
Species
Synonymy list
Year | Name and author |
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2014 | Jacoburbirostrum 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.
Diagnosis
Reference | Diagnosis | |
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P. Sartenaer 2014 | Small size and pattern of costae are the main external characters of the genus. The few simple and regu- lar costae are angular with rounded top, and produce a de- eply serrate commissure; median costae start close to the beaks, the middle dorsal one being, when more than two costae are present, significantly lower in its posterior part and starting slightly more anteriorly than the others; parietal cos- tae absent. Other features are: subquadratic to subrounded sometimes subtriangular outline; wide and deep sulcus, high fold and tongue; small apical angle; short hinge line, short dental plates; narrow umbonal cavities; thick and di- vided hinge plate; thin septum; small uncovered septalium; and narrow elongated dorsal muscle field. |
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
References: Nesnidal et al. 2013, Aberhan et al. 2004 |
Collections
No collection or age range data are available