Tectonatica impervia
Creators
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
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
Identifiers
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.