Overview

Comprehensive Description

Description

Tectonatica impervia (Philippi, 1845) (Figs 249, 274)

 

 

Natica impervia Philippi, 1845: 65; Hupe, 1854: 221; Tryon, 1886: 31, pl. 9, fig. 66; Rochebrune and Mabille, 1889: H34; Strebel, 1906: 134, pl. 11, figs 60, 60a; Strebel, 1908: 61; Melvill and Standen, 1914: 348; Carcelles, 1950: 58.

 

Tectonatica impervia : Powell, 1951: 122, pl. 10, fig. 62; fig. J46 (radula); Carcelles, 1953: 184, pl. 2, fig. 48; Powell, 1960: 145; Cantera and Arnaud, 1984: 61.

 

Natica payeni Rochebrune and Mabille, 1885: 104; Rochebrune and Mabille, 1889: H32, pl. 3, fig. 6; Carcelles and Williamson, 1951: 283.

 

 

MATERIAL EXAMINED: Eltanin Stns 288, 344, 370, 959, 966, 974, 1284; Hero Stns 655, 656; William Scoresby Stn 755; Discovery II Stns 51, 388; Vema Stns V-17-19A, V-17-48.

 

 

DISTRIBUTION: Tectonatica impervia is confined to a restricted area from the Burdwood Bank and the Falkland Islands across the southern Patagonian Shelf to Magellan Strait and the seas around Tiera del Fuego in 4-200 m. (For Eltanin Stn 288, the depth range is so wide that it can hardly supply firm data.) Cantera and Arnaud record T. impervia from Kerguelen Island and the Crozets.

 

 

REMARKS: Rochebrune and Mabille described Natica payeni from Magellan Strait and off Tierra del Fuego. Strebel (1906: 135) considered N. payeni no different from impervia. Examination of the syntypes of N. payeni show that they represent half-grown shells of impervia. The slight differences shown in proportion in the figures of impervia and payeni presented by Mabille and Rochebrune are no more than the variation seen in a series of impervia. The name payeni does not appear to have been mentioned in works on Magellanic Mollusca, apart from a listing by Carcelles and Williamson (1951) since Strebel's action in 1906.”

 

 

(Dell, 1990: 163-164)

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© National Museum of Natural History, Smithsonian Institution

Source: Antarctic Invertebrates Website (NMNH)

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Ecology

Habitat

Depth range based on 12 specimens in 1 taxon.
Water temperature and chemistry ranges based on 10 samples.

Environmental ranges
  Depth range (m): 12 - 165
  Temperature range (°C): 4.957 - 7.405
  Nitrate (umol/L): 16.551 - 21.319
  Salinity (PPS): 33.396 - 34.121
  Oxygen (ml/l): 6.077 - 7.066
  Phosphate (umol/l): 1.315 - 1.601
  Silicate (umol/l): 4.830 - 10.288

Graphical representation

Depth range (m): 12 - 165

Temperature range (°C): 4.957 - 7.405

Nitrate (umol/L): 16.551 - 21.319

Salinity (PPS): 33.396 - 34.121

Oxygen (ml/l): 6.077 - 7.066

Phosphate (umol/l): 1.315 - 1.601

Silicate (umol/l): 4.830 - 10.288
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

Trusted

Article rating from 0 people

Default rating: 2.5 of 5

Wikipedia

Tectonatica impervia

Tectonatica impervia is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.[1]

Description[edit]

The maximum recorded shell length is 18.1 mm.[2]

Habitat[edit]

Minimum recorded depth is 5 m.[2] Maximum recorded depth is 460 m.[2]

References[edit]

  1. ^ Tectonatica impervia (Philippi, 1845). WoRMS (2009). Tectonatica impervia (Philippi, 1845). Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=197465 on 17 June 2010.
  2. ^ a b c Welch J. J. (2010). "The "Island Rule" and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.
  • Torigoe K. & Inaba A. (2011) Revision on the classification of Recent Naticidae. Bulletin of the Nishinomiya Shell Museum 7: 133 + 15 pp., 4 pls.
Creative Commons Attribution Share Alike 3.0 (CC BY-SA 3.0)

Source: Wikipedia

Unreviewed

Article rating from 0 people

Default rating: 2.5 of 5

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!