Eucochlis depressa, Yoo, 1994
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publication ID |
https://doi.org/ 10.3853/j.0067-1975.46.1994.18 |
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DOI |
https://doi.org/10.5281/zenodo.4661413 |
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persistent identifier |
https://treatment.plazi.org/id/03EB87C3-8608-6B2E-F9FD-8F51FA5AF75E |
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treatment provided by |
Felipe |
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scientific name |
Eucochlis depressa |
| status |
sp. nov. |
Eucochlis depressa n.sp.
PI. l3 figs 7-11
Description. Shell minute, turbiniform, compressed, moderately phaneromphalous. Protoconch of}l;4 whorls with fine growth lines. Teleoconch of 2~ strongly convex whorls with narrowly and evenly spaced sharp collabral cords and weak spiral lirae, collabral cords (about 52 in the last whorl) strong, oblique, prosocline, 40° from axis, suture deep. Aperture almost rectangular, lips thin, outer lip strongly retracted.
Types. Holotype ( F78451 View Materials ) and 2 figured paratypes ( F78452 View Materials -3). There are 2 unfigured additional specimens ( F78435 View Materials ) from the type locality.
Type locality. Approximately 250 m west of Babbinboon Lane, in Swains Gully, 15 km south-west of Somerton, NSW (Locality 25).
Stratigraphic position. In bioclastic limestone, 130 m above the base of the Namoi Formation.
Geographic distribution. Type locality only.
Geological age. Middle Tournaisian.
Etymology. Derived from the Latin depressus meaning low-lying, sunk down; referring to depressed shell.
Remarks. This species is characterised by an exceptionally depressed last whorl with strongly retracted outer lip.
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