Published January 10, 2019 | Version v1
Taxonomic treatment Open

Tectonatica impervia

Description

Tectonatica impervia (Philippi, 1845)

Fig. 3F

Natica impervia Philippi, 1845a: 65; Philippi, 1845b: 42, pl. 33, fig. 6; Melvill & Standen, 1912: 122 Tectonatica impervia — Dell, 1990: 163, figs. 249, 274 (synonymy and radula); Pastorino, 2005b: 231, figs. 36–45 (synonymy and radula)

Examined material. 4 sh. (MACN-In 40671)

Description. Shell height to 11.3 mm (up to 18.1 mm according to Dell 1990); ovate, solid. Protoconch of about 1 whorl; transition to teleoconch poorly defined. Teleoconch of up to 3.25 whorls, almost straight in outline; last whorl enlarged, very inflated, comprising about 95% of total shell height. Suture impressed. Surface whitish; only sculptured with faint growth lines. Aperture elongate-ovate, interior white; columellar callus strongly thickened, expanded, partially or fully covering the umbilicus.

Notes

Published as part of Luca, Javier Di & Zelaya, Diego G., 2019, Gastropods from the Burdwood Bank (southwestern Atlantic): an overview of species diversity, pp. 41-78 in Zootaxa 4544 (1) on page 53, DOI: 10.11646/zootaxa.4544.1.2, http://zenodo.org/record/2618137

Files

Files (1.3 kB)

Name Size Download all
md5:9e60d68e44f2addbf09e1170a6bd25d1
1.3 kB Download

System files (9.8 kB)

Name Size Download all
md5:3ce03ded7e89c7ff3a13bf99e093460c
9.8 kB Download

Linked records

Additional details

Biodiversity

Family
Naticidae
Genus
Tectonatica
Kingdom
Animalia
Order
Littorinimorpha
Phylum
Mollusca
Scientific name authorship
Philippi
Species
impervia
Taxon rank
species
Taxonomic concept label
Tectonatica impervia (Philippi, 1845) sec. Luca & Zelaya, 2019

References

  • Philippi, R. A. (1845 a) Diagnosen einiger neuen conchylien. Archiv fur Naturgeschichte, 11, 50 - 71.
  • Philippi, R. A. (1845 b) Natica Tab II. In: Abbildungen und Beschreibungen neuer oder wenig gekannter conchylien herausgegeben. Vol. 2. Fischer, Cassel, pp. 41 - 46, pl. 33.
  • Melvill, J. C. & Standen, R. (1912) The marine Mollusca of the Scottish National Antarctic Expedition. Part 2. Transactions of the Royal Society of Edinburgh, 48, 105 - 140, 1 pl.
  • Dell, R. K. (1990) Antarctic Mollusca with special reference to the fauna of the Ross Sea. Bulletin of the Royal Society of New Zealand, 27, 1 - 311.
  • Pastorino, G. (2005 b) Recent Naticidae (Mollusca: Gastropoda) from the Patagonian coast. The Veliger, 47 (4), 225 - 258.