World Echinoidea Database - Jacksonaster depressum (L. Agassiz, 1841)

Echinoidea taxon details

Jacksonaster depressum (L. Agassiz, 1841)

Laganum/Jacksonaster depressum

AphiaID

513356 (urn:lsid:marinespecies.org:taxname:513356)

Classification

Status

accepted

Rank

Species

Parent

Jacksonaster Lambert in Lambert & Thiéry, 1914

Original name

Laganum depressum L. Agassiz, 1841

Synonymised names

Jacksonaster conchatus (M'Clelland, 1840) · unaccepted (subjective junior synonym)

Laganum attenuatum L. Agassiz in L. Agassiz & Desor, 1847a · unaccepted (subjective junior synonym)

Laganum conchatum (Lambert & Thiéry, 1914) · unaccepted (subjective junior synonym)

Laganum depressum L. Agassiz, 1841 · unaccepted (transferred to Jacksonaster)

Laganum depressum sinaitica Fraas, 1867 · unaccepted (subjective junior synonym)

Laganum depressum var. sinaitica Fraas, 1867 · unaccepted (Infrasubspecific taxon that is to...)

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 · unaccepted (subjective junior synonym)

Laganum ellipticum L. Agassiz, 1841 · unaccepted (subjective junior synonym)

Laganum sinaiticum Fraas, 1867 · unaccepted (subjective junior synonym)

Laganum tumidum Duncan & Sladen, 1886 · unaccepted (subjective junior synonym)

Direct children (5)

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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)

Environment

marine, ~~brackish~~, ~~fresh~~, ~~terrestrial~~

Fossil range

recent + fossil

Original description

(of Laganum depressum L. Agassiz, 1841) Agassiz, L. 1841. Monographies d'Échinodermes vivans et fossiles. Échinites. Famille des Clypéasteroides. 2 (Seconde Monographie). Des Scutelles. Neuchâtel, Switzerland, i-iv, 1-151, pls 1-27., available online at https://www.biodiversitylibrary.org/page/1395637
page(s): 110; pl. 23: figs 1-7 [details]

Taxonomic citation

Kroh, A.; Mooi, R. (2025). World Echinoidea Database. Jacksonaster depressum (L. Agassiz, 1841). Accessed at: https://marinespecies.org/echinoidea/aphia.php?p=taxdetails&id=513356 on 2025-04-26

Taxonomic edit history

Date

action

2010-09-07 08:24:41Z

created

Kroh, Andreas

2013-08-26 18:24:18Z

changed

Kroh, Andreas

[taxonomic tree]

original description (of Jacksonaster conchatus (M'Clelland, 1840)) Lambert, J. & Thiéry, P. (1909-1925). Essai de Nomenclature Raisonnée des Echinides. L. Ferrière, Chaumont. fasc. 1: i-iii, 1-80, pls. 1-2 (March 1909); fasc. 2: 81-160, pls. 3-4 (July 1910); fasc. 3: 161-240, pls. 5-6 (May 1911); fasc. 4: 241-320, pls. 7-8 (March 1914); fasc. 5: 321-384, pl. 9 (Sept. 1921); fasc. 6-7: 385-512, pls. 10-11, 14 (Dec. 1924); fasc. 7-8: 513-607, pls. 12, 13, 15 (Feb. 1925) pp., available online at http://de.scribd.com/doc/17477843/Essai-de-Nomenclature-Raisonnee-des-Echinides#source:facebook
page(s): 313 [details]

original description (of Laganum depressum L. Agassiz, 1841) Agassiz, L. 1841. Monographies d'Échinodermes vivans et fossiles. Échinites. Famille des Clypéasteroides. 2 (Seconde Monographie). Des Scutelles. Neuchâtel, Switzerland, i-iv, 1-151, pls 1-27., available online at https://www.biodiversitylibrary.org/page/1395637
page(s): 110; pl. 23: figs 1-7 [details]

original description (of Laganum tumidum Duncan & Sladen, 1886) Duncan, P. M. & Sladen, W. P. (1886). Fossil Echinoidea of western Sind and the Coast of Bilúchístán and of the Persian Gulf, from the Tertiary Formations. Fasc. VI. The Fossil Echinoidea from the Makrán Series (Pliocene) of the Coast of Bilúchístán and of the Persian Gulf. Palaeontologia Indica. Ser. XIV 1, 368-382., available online at https://archive.org/stream/cu31924004583344#page/n5/mode/2up
page(s): 379-381; pl. 58: figs 6-10 [details]

original description (of Laganum attenuatum L. Agassiz in L. Agassiz & Desor, 1847a) Agassiz, L. & Desor, P. J. E. 1847a. Catalogue raisonné des espèces, des genres, et des familles d'échinides. Annales des Sciences Naturelles, Troisième Série, Zoologie 7, 129-168., available online at https://www.biodiversitylibrary.org/page/13406197
page(s): 132 [details]

original description (of Laganum dyscritum H.L. Clark, 1932) Clark, H. L. (1932). Echinodermata (other than Asteroidea) of the Great Barrier Reef Expedition, 1928-29. Scient. Rep. Gt. Barrier Reef Exped. 4, 197-239, 9 figs, 1 pl.
page(s): 216-217; pl. 1: figs 5-9 [details] Available for editors

original description (of Laganum ellipticum L. Agassiz, 1841) Agassiz, L. 1841. Monographies d'Échinodermes vivans et fossiles. Échinites. Famille des Clypéasteroides. 2 (Seconde Monographie). Des Scutelles. Neuchâtel, Switzerland, i-iv, 1-151, pls 1-27., available online at https://www.biodiversitylibrary.org/page/1395637
page(s): 111; pl. 23: figs 13-15 [details]

original description (of Laganum depressum var. sinaitica Fraas, 1867) Fraas, O. A. (1867). Geologisches aus dem Orient. Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg. 23: 145-362. pl. 4-6., available online at https://www.biodiversitylibrary.org/page/8797411
page(s): 333; pl. 6: fig. 15 [details]

context source (Deepsea) Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]

context source (HKRMS) Clark, A. M. (1982). Echinoderms of Hong Kong. In: Morton B, editor. Proceedings of the first international marine biological workshop: The marine flora and fauna of Hong Kong and southern China. Hong Kong University Press, Hong Kong. 1: 485-501. [details]

redescription Mortensen, T. (1948). A Monograph of the Echinoidea. IV, 2. Clypeasteroida. Clypeasteridæ, Arachnoidæ, Fibulariidæ, Laganidæ and Scutellidæ. 471 pp., C. A. Reitzel, Copenhagen.
page(s): 313-318 [details]