Overview

Comprehensive Description

Etymology

From the Latin insolitus, unusual, strange, in reference to the characteristics and differences of the species from congeners. [When described it was provisionally placed in the genus Agononida].

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© Enrique Macpherson

Source: Squat Lobsters LIFEDESK

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Type locality

New Caledonia, 23°39.449´S, 167°59.336´E, 382–386 m.

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© Enrique Macpherson

Source: Squat Lobsters LIFEDESK

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Type Data

Holotype, ovigerous female, MNHN Ga 4557.

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© Enrique Macpherson

Source: Squat Lobsters LIFEDESK

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Synonymy

Agononida insolita Macpherson, 2004: 242, fig. 2 (New Caledonia and Tonga, 266–386 m).

Torbenia insolita. — Baba, 2005: 308 (list).

Torbenella insolita. — Baba, 2008:1021 (new combination).

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© Keiji Baba

Source: Squat Lobsters LIFEDESK

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Distribution

New Caledonia and Tonga, 266–439 m.

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© Enrique Macpherson

Source: Squat Lobsters LIFEDESK

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Physical Description

Size

Male 7.9 mm; females 6.6–7.9 mm.

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© Enrique Macpherson

Source: Squat Lobsters LIFEDESK

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Diagnostic Description

Anterolateral spine of the carapace reaching the sinus between rostrum and supraocular spines. Antennal peduncle article 1 with long process on mesial margin overreaching the antennular peduncle; peduncle, article 2 with distal spine overreaching peduncle article 3. Second abdominal segment with 2 median spines on the anterior ridge; fourth abdominal somite without median spine on posterior ridge. Dactyli of walking legs, flexor margin with 3–6 movable spinules.

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© Enrique Macpherson

Source: Squat Lobsters LIFEDESK

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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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© WoRMS for SMEBD

Source: World Register of Marine Species

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Depth range based on 8 specimens in 1 taxon.
Water temperature and chemistry ranges based on 8 samples.

Environmental ranges
  Depth range (m): 266 - 439
  Temperature range (°C): 13.274 - 18.283
  Nitrate (umol/L): 4.925 - 11.558
  Salinity (PPS): 35.000 - 35.574
  Oxygen (ml/l): 4.082 - 4.398
  Phosphate (umol/l): 0.484 - 1.061
  Silicate (umol/l): 2.604 - 6.217

Graphical representation

Depth range (m): 266 - 439

Temperature range (°C): 13.274 - 18.283

Nitrate (umol/L): 4.925 - 11.558

Salinity (PPS): 35.000 - 35.574

Oxygen (ml/l): 4.082 - 4.398

Phosphate (umol/l): 0.484 - 1.061

Silicate (umol/l): 2.604 - 6.217
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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