Overview

Brief Summary

Biology

Type of larval development: short planktonic, non-planktotrophic
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Source: World Register of Marine Species

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Distribution

Eastern Atlantic, from Svalbard and Norway to Morocco, and the Mediterranean; also Canary Is., Madeira and the Azores, (from shore to ca. 50 m). Gorringe, Ampère and Seine seamounts (moderately common in 70-325 m), Josephine seamount (rare in 200-222 m, probably subfossil)
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Source: World Register of Marine Species

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Physical Description

Diagnostic Description

Diagnosis

Shell 10-12 mm long, with apex situated at 1/4 from anterior end but not overhanging and not curled up. Outer surface smooth except for growth lines. Colour pink with blurry darker ray and indistinct whitish blotches. Shells of this species may easily be confused with the pulmonate Williamia gussonii (Costa, 1829), which differs in having a more curved profile, with the apex commonly curled up towards the anterior edge and displaying a small spiral protoconch which is never conserved in adult Tectura. The colour is also different, more brownish in Williamia with more distinct rays and no whitish blotches. The animals are markedly different, Tectura with slender cephalic tentacles and Williamia with broad, fringe-like lappets instead.
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Source: World Register of Marine Species

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Ecology

Habitat

Known from seamounts and knolls
  • Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.
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Source: World Register of Marine Species

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Depth range based on 43 specimens in 1 taxon.
Water temperature and chemistry ranges based on 18 samples.

Environmental ranges
  Depth range (m): 0 - 40
  Temperature range (°C): 7.695 - 18.050
  Nitrate (umol/L): 0.326 - 6.352
  Salinity (PPS): 31.839 - 38.444
  Oxygen (ml/l): 5.262 - 6.346
  Phosphate (umol/l): 0.095 - 0.700
  Silicate (umol/l): 0.940 - 10.823

Graphical representation

Depth range (m): 0 - 40

Temperature range (°C): 7.695 - 18.050

Nitrate (umol/L): 0.326 - 6.352

Salinity (PPS): 31.839 - 38.444

Oxygen (ml/l): 5.262 - 6.346

Phosphate (umol/l): 0.095 - 0.700

Silicate (umol/l): 0.940 - 10.823
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Associations

Foodplant / open feeder
Acmaea virginea grazes on Bacilliariophyta

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Tectura virginea

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There is 1 barcode sequence available from BOLD and GenBank.

Below is the sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.

See the BOLD taxonomy browser for more complete information about this specimen.

Other sequences that do not yet meet barcode criteria may also be available.

ACATTATACTTAATTTTTGGGTTCTGGTGTAGATTAGTGGGTACTAGGTTG---AGTATGCTGATTCGTACAGAGTTGTGTTCTCCTGGGTTGGTAATTGGGGAT---GGGCAGGTGTACAATACGGTTGTTACTGCTCATGCTTTTGTTATGATTTTTTTTGTTGTTATACCCCTGATAATCGGAGGATTTGGAAACTGGCTAGTTCCGCTAATG---TTGGGGGTGCCTGACATAGTGTTTGCACGGGTAAATAATATAAGGTTTTGGCTTCTTCCTGGTGCGGTAGTGCTTCTTGTAGCTGCTACATTGATAGAGTCTGGGGCAGGGACGGGGTGAACGGCGTACCCCCCCCTAGCT---ACAGCGGGGCATCCTGGGCACAGGGTGGACTTT---GCGATTGTTGGGCTACATATAGCGGGGGCTTCATCTATTGCTGGAGGTATTAATTTTACAGTTACTACTTTTTTGTTTCGGAAAAGGCGGATTAAGCCTAGGGCCAGCCCACTTTTTCCTTGGTCTTTGGGTATCACGGGCTTGTTGTTGGTGATTTCGGTCCCTGTATTGGCGGGG---GGGCTGACAATGCTGTTAATGGATCGGACAGTTAATTGTAACTTTTATGTACCTCAGGGGGGGGGTGACCCCATTCTGTACCAACATCTG------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TTT
-- end --

Download FASTA File

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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Tectura virginea

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Tectura virginea

Tectura virginea is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae, one of the families of true limpets.[2] It is commonly known as the white tortoiseshell limpet.[3]

Description[edit source | edit]

T. virginea is rather smaller than Testudinalia testudinalis, the tortoiseshell limpet, growing to 15mm in length with a height of 6mm. The shell is white with purplish bands radiating from the apex.[3] which is tilted forward and about a third of the way along the shell. The flesh is creamy coloured or pale pink. The broad foot is oval and the head bears a pair of long tentacles with tiny black eyes located near their base.[4]

Distribution and habitat[edit source | edit]

The white tortoiseshell limpet is found on the north west coasts of Europe from Norway south to the Mediterranean Sea including the North Sea. It lives in the neritic zone below low water mark down to a depth of about one hundred metres. It favours rock pools and smooth rock covered with encrusting red algae such as Lithothamnion on which it feeds.[3]

References[edit source | edit]

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