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Opalia (Opalia) bravinderi
Taxonomy
Opalia (Opalia) bravinderi was named by Durham (1937). Its type specimen is UCMP 30167 and is a 3D body fossil.
Sister species lacking formal opinion data
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.
†Opalia (Opalia) bravinderi Durham 1937
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Diagnosis
Reference | Diagnosis | |
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J. W. Durham 1937 | Shell small, rather thin, having eight whorls, with protoconch missing; whorls only slightly convex; sutures shallow; axial ribs 10 or 11, from one-half to two- thirds the width of their interspaces; on larger specimens occasional extra axial ribs are intercalated; the ribs have a rather convex outline from suture to suture, becoming less prominent as they reach the sutures; in earlier whorls the ribs are rather thin and almost knife-like; body whorl with a prominent basal keel; aperture nearly oval. |
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Beu et al. 1990, Kiessling 2004 |