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Yochelcionella saginata
Taxonomy
Yochelcionella saginata was named by Vendrasco et al. (2010) [= Yochelcionella ?cyrano Runnegar & Jell 1976 (f. 11A.1-3, not 4-10)]. Its type specimen is CPC 39753, a shell, and it is a 3D body fossil. Its type locality is Section 417, Georgina Basin, Thorntonia Area, which is in a Floran sand shoal lime mudstone in the Gowers Formation of Australia.
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Yochelcionella saginata Vendrasco et al. p. 128 figs. txt. f. 3J-K; pl. 6 |
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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.
†Yochelcionella saginata Vendrasco et al. 2010
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. J. Vendrasco et al. 2010 | Short, only slightly cyrtoconic univalve; very large snorkel (nearly as wide as widest part of shell, about as long as or longer than remainder of shell) originates at aperture, curves gently upward; aperture oval; apex curved only slightly, protoconch bulbous.
Shell subconical, short, c. 1 mm in total length, with only slightly curved apex, and with oval aperture; internal ornament lacking; snorkel large (diameter nearly equal to the maximum width of the shell), originating just below apex, extending in same direction as curvature of apex, about as long as aperture (although it may be longer because the internal mould of the snorkel may not extend its full length in these specimens). |
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Hendy et al. 2009, Hendy 2009 | |||||