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Jacksonaster depressum

Jacksonaster depressumis commonly referred to as Sea Biscuit, Thick-edged sand dollar. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. A aquarium size of at least 200 Liter is recommended. Toxicity: Toxic hazard unknown.


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lexID:
2362 
AphiaID:
513356 
Scientific:
Jacksonaster depressum 
German:
Kleiner Sanddollar, Dickrand-Sanddollar 
English:
Sea Biscuit, Thick-edged Sand Dollar 
Category:
Ricci 
Family tree:
Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Clypeasteroida (Order) > Laganidae (Family) > Jacksonaster (Genus) > depressum (Species) 
Initial determination:
(L. Agassiz, ), 1841 
Sea depth:
- 200 Meter 
Size:
5,0 cm - 8,5 cm 
Temperature:
°C - 28°C 
Tank:
~ 200 Liter 
Difficulty:
There are no reports available yet that this animal has already been kept in captivity successfully 
Offspring:
None 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life
:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2021-01-23 11:32:00 

Info

Jacksonaster depressum (L. Agassiz, 1841)

A living sand dollar is covered with fine spines and appears velvety. The skeleton of a dead sand dollar is smooth, without any spines, and the details of skeleton can be seen more clearly.

Can be found on or in soft silty sand in sheltered lagoons near reefs.

Synonymised names:
Jacksonaster conchatus (M'Clelland, 1840) (subjective junior synonym)
Laganum attenuatum L. Agassiz in L. Agassiz & Desor, 1847a (subjective junior synonym)
Laganum conchatum (Lambert & Thiéry, 1914) (subjective junior synonym)
Laganum depressum L. Agassiz, 1841 (transferred to Jacksonaster)
Laganum depressum sinaitica Fraas, 1867 (subjective junior synonym)
Laganum depressum var. sinaitica Fraas, 1867 (Infrasubspecific taxon that is to be treated as a subspecies according to ICZN 4th Ed. Article 45.6.4)
Laganum dyscritum H.L. Clark, 1932 (subjective junior synonym)
Laganum ellipticum L. Agassiz, 1841 (subjective junior synonym)
Laganum sinaiticum Fraas, 1867 (subjective junior synonym)
Laganum tumidum Duncan & Sladen, 1886 (subjective junior synonym)

Direct children (5):
Subspecies Jacksonaster depressum alienum (Mortensen, 1948)
Subspecies Jacksonaster depressum delicatum (Mazzetti, 1894)
Subspecies Jacksonaster depressum depressum (L. Agassiz, 1841)
Subspecies Jacksonaster depressum tenue (Mortensen, 1948)
Subspecies Jacksonaster depressum tonganense (L. Agassiz, 1841)

External links

  1. sealifebase.ca (en). Abgerufen am 30.03.2021.
  2. wildsingapore.com (en). Abgerufen am 30.03.2021.
  3. WoRMS (en). Abgerufen am 30.03.2021.

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