Published May 19, 1994 | Version v1
Taxonomic treatment Open

Pseudoaclisina microspirulata Yoo 1994, n.sp.

Authors/Creators

Description

Pseudoaclisina microspirulata n.sp. PI. 21 figs 7-10

Description. Shell minute, high-spired, pupiform, anomphalous. Protoconch of llh smooth whorls, deviated and submerged, transition from protoconch to teleoconch abrupt. Teleoconch of about 7 whorls with about 22 fine spiral costae in the final whorl; opisthociine growth lines cover the teleoconch; whorl profile more or less symmetrically rounded; suture deep, well impressed; base rounded. Aperture oval, columellar lip arcuate; outer lip, thin, opisthociine.

Types. Holotype (F78519) and 1 figured paratype (F78520).

Type locality. 150 m west of 'Marohn' homestead, on the Scone-Gundy roadside, 4 km south-west of Gundy, NSW (Locality 28).

Geographic distribution. Type locality only.

Geological age. Late Tournaisian.

Etymology. Referring to the microspiral ornamentation of shell.

Remarks. This form is characterised by densely spaced fine spiral lirae and a deviated protoconch.

Pseudoaclisina turgida (Y00)

Notes

Published as part of Yoo, E. K., 1994, Early Carboniferous Gastropoda from the Tamworth Belt, New South Wales, Australia, pp. 63-120 in Records of the Australian Museum 46 (1) on page 92, DOI: 10.3853/j.0067-1975.46.1994.18, http://zenodo.org/record/4654599

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Additional details

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Biodiversity

Scientific name authorship
Yoo
Kingdom
Animalia
Phylum
Mollusca
Order
Pleurotomariida
Family
Murchisoniidae
Genus
Pseudoaclisina
Taxon rank
species
Taxonomic status
n.sp.
Type status
holotype
Taxonomic concept label
Pseudoaclisina , 1994