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Leptaena poulseni
Taxonomy
Leptaena poulseni was named by Kelly (1967) [= 1871 Strophomena rhomboidalis (Wilckens); Davidson, pl. 39, figs. 1, 10, 11, 15 only.]. Its type specimen is BU 889, a shell, and it is a 3D body fossil. Its type locality is 210 - 250 m SW of Caves Public House, west side of Wren's Nest Hill, Dudley, which is in a Homerian shallow subtidal limestone in the Much Wenlock Formation of the United Kingdom.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Leptaena poulseni Kelly pp. 597 - 598 figs. Plate 98, figs. 10-13 |
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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 poulseni Kelly 1967
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. B. Kelly 1967 | Transversely semi-oval in outline, having highly alate lateral extensions. Ornament of thread-like radial costellae and coarse concentric rugae. Foramen large, open, pseudodeltidium large, covering the entire delthyrium. Ventral muscle scar sub-circular, adductors and diductors of equal length. |
Measurements
No measurements are available
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| Source: g = genus, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy et al. 2009, Aberhan et al. 2004 | |||||