Overview

Comprehensive Description

Description

 Moderate size (up to 22 × 14 mm), dorsal elevation ratio = 0.35 to 0.46, oval, valves beaked. Tegmentum very finely granulose, orange to brick red, often with white markings, or with shades of green, bright yellow, or bright orange. Intermediate valves rectangular. Sculpture smooth and glossy to the naked eye, diagonally set with black dots (the pigment cups of the ‘shell-eyes’); under magnification the valves are sculptured with small granules arranged in quincunx. Wide girdle, usually about 1/3 of the animal’s total width and covered in spicules, with a short marginal fringe of spicules. The girdle is coloured yellow or orange with red markings.
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© Sérgio P. Ávila, Julia Sigwart

Source: ZooKeys

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Distribution

 All Atlantic coasts of Europe, from Scandinavia, Britain and Ireland, south to the Mediterranean Sea, Morocco (Kaas 1991), Azores and Canary Islands (Kaas and Van Belle 1985b). From shallow subtidal to 500 m depth, usually on red algae and other hard substrates (Poppe and Goto 1991). The animals can be extremely cryptic, grazing on the underside of stones and small boulders where their colours proved good camouflage. 
Creative Commons Attribution 3.0 (CC BY 3.0)

© Sérgio P. Ávila, Julia Sigwart

Source: ZooKeys

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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.
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Depth range based on 16 specimens in 1 taxon.
Water temperature and chemistry ranges based on 9 samples.

Environmental ranges
  Depth range (m): 0 - 40
  Temperature range (°C): 15.316 - 18.050
  Nitrate (umol/L): 0.326 - 1.033
  Salinity (PPS): 36.318 - 38.444
  Oxygen (ml/l): 5.477 - 5.541
  Phosphate (umol/l): 0.095 - 0.106
  Silicate (umol/l): 0.940 - 1.434

Graphical representation

Depth range (m): 0 - 40

Temperature range (°C): 15.316 - 18.050

Nitrate (umol/L): 0.326 - 1.033

Salinity (PPS): 36.318 - 38.444

Oxygen (ml/l): 5.477 - 5.541

Phosphate (umol/l): 0.095 - 0.106

Silicate (umol/l): 0.940 - 1.434
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Callochiton septemvalvis

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


There are 2 barcode sequences available from BOLD and GenBank.  Below is a 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 and other sequences.

ACTTTATACGTAATATTTGGAAATTGATCAGGTTTAGTAGGAACAGCTTTA---AGGTTATTAATTCGTGCAGAATTAGGACAGCCTGGAGCTTTATTGGGAGAT---GACCAGTTATATAATGTTATTGTAACTGCTCATGCATTTGTAATAATTTTTTTTTTAGTGATACCTATGATAATTGGCGGTTTTGGGAACTGAATAGTTCCTTTGATG---TTAGGAGCTCCGGATATAGCTTTTCCTCGTCTTAATAATATAAGATTTTGATTATTACCCCCAGCTCTAGTATTATTACTTGGGTCTAGTGCTGTAGAAAGAGGAGTAGGGACAGGGTGAACAGTTTATCCTCCTTTATCTGGAAATATCGCACATTCAGGCGGTTCTGTAGATTTA---GCTATTTTTTCTTTACATTTAGCAGGAGTTTCTTCTATTTTAGGAGCTGTAAATTTTATTACAACTGCCTATAATATACGCTGACTCGGAATACACTTAGAGCGGACTCCTTTATTTGTTTGGTCAGTAAAGATTACAGCTATTTTATTACTTCTTTCTTTACCTGTTTTAGCAGGA---GCTGTAACTATATTGTTAACAGATCGAAATTTTAACACATCTTTTTTTGATCCTGCAGGAGGGGGGGATCCAATTCTTTATCAACATTTA
-- end --

Download FASTA File
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Callochiton septemvalvis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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