Zemacies ordinaria

Short description: Extinct species of gastropod

Zemacies ordinaria

Scientific classification
Kingdom:  | Animalia
Phylum:  | Mollusca
Class:  | Gastropoda
Subclass:  | Caenogastropoda
Order:  | Neogastropoda
Superfamily:  | Conoidea
Family:  | Borsoniidae
Genus:  | Zemacies
Species:  |

Z. ordinaria

Binomial name
Zemacies ordinaria

(P. Marshall, 1918)

Synonyms[1]

* Surcula ordinaria Marshall, 1918

Zemacies ordinaria is an extinct species of sea snail, a marine gastropod mollusk in the family Borsoniidae.[1]

## Description

The whorls increase rapidly in size on this very narrow shell. The nodular axials are more or less restricted to the periphery. The subsutural fold is obsolete. There are 21–22 strong nodules per whorl.[2]

## Distribution

This extinct marine species is endemic to New Zealand and was found in Lower Miocene strata.

## References

1. ↑ 1.0 1.1 Marshall, B. (2015). Zemacies ordinaria. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=831528 on 2016-04-10
2. ↑ R. Tucker-Abbott & W.J. Clench, Indo-Pacific Mollusca vol. 2 # 9–10 (1968)

* P. Marshall, Trans. N. Z. Inst., vol. 50, p. 268, pl. 20, fig. 4, 4a
* Maxwell, P.A. (2009). Cenozoic Mollusca. pp. 232–254 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch.

Wikidata ☰ Q24997758 entry

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