Hesperiella elongata, 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.4657435 |
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persistent identifier |
https://treatment.plazi.org/id/03EB87C3-861D-6B3B-FE0F-8F13FB9BF6B1 |
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treatment provided by |
Felipe |
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scientific name |
Hesperiella elongata |
| status |
sp. nov. |
Hesperiella elongata View in CoL n.sp.
PI. 7 figs 5-7
Description. Shell very small, rather high spired, sinistral, anomphalous or hemiomphalous. Protoconch coiling inward and hidden by later whorls, apex a funnellike hole. Teleoconch with whorl profile rather straight; collabral costae widely spaced, opisthocline, with about 40 cords in the final whorl. Selenizone narrow, concave, smooth, adjacent to lower suture, seen only in the final whorl. Aperture subangular.
| Dimensions. H | W | PA | NW |
|---|---|---|---|
| Holotype ( F78399 View Materials ) 4.1 mm Paratype ( F78400 View Materials )2.5 | 3.7 mm 2.7 | 50° TODO | 41f2 TODO |
Types. Holotype ( F78399 View Materials ) and 3 paratypes ( F78400 View Materials , F78405 View Materials ).
Type locality. 4 km south-east of 'Rangari' homestead, on the Gunnedah-Barraba roadside, 34 km north-east of Gunnedah, NSW (Locality 18).
Stratigraphic position. In bioclastic limestone, the middle limestone lens in the Tulcumba Sandstone.
Additional material. 1 specimen each from north of 'Rangari' (Locality 14), north-east of 'Rangari' (Locality 15) and Glenbawn (Locality 29).
Geographic distribution. 'Rangari' to Glenbawn.
Geological age. Middle to late Tournaisian.
Etymology. Derived from the Latin elongatus meaning elongate, referring to the tall spire of shell.
Remarks. This species is characterised by a tall-spired shell with a rather flat whorl profile, which is very different from any other HesperieUa species.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.