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Leptaena depressa visbyensis
Taxonomy
Leptaena depressa visbyensis was named by Hoel (2005) [= pt Leptaena rhomboidalis WILCKENS.- BARRANDE 1879 : pl. 41 fig. 31 (non pl. 41 figs. 1--30, 32-38).
? Leptaena rhomboidalis (WILCKENS).- HOLTEDAHL 1916 71, pl. 12 fig. 11.
Leptaena sp. BASSETT & COCKS 1974: 14, tab. 1 (listed).]. Its type specimen is SMNH Br137848, a valve (ventral valve), and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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2005 | Leptaena depressa visbyensis Hoel pp. 272 - 275 figs. 5, 10, 11E |
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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.
†Leptaena depressa visbyensis Hoel 2005
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Diagnosis
Reference | Diagnosis | |
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O. A. Hoel 2005 | Small to moderately sized subspecies of Leptaena depressa with subrectangular outline, large number of rugae (8-17), pear-shaped ventral muscle field and geniculation angle around 70°. |
Measurements
No measurements are available
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Source: g = genus, c = class, p = phylum, uc = unranked clade | |||||
References: Aberhan et al. 2004, Hendy et al. 2009, Nesnidal et al. 2013 |
Collections
No collection or age range data are available