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Echinoidea taxon details

Australidiadema Smith & Crame, 2012 †

608169  (urn:lsid:marinespecies.org:taxname:608169)

accepted
Genus
marine, brackish, fresh, terrestrial
fossil only
Smith, A. B. & Crame, J. A. 2012. Echinoderm faunas from the Lower Cretaceous (Aptian-Albian) of Alexander Island, Antarctica. Palaeontology 55, 305-324., available online at https://doi.org/10.1111/j.1475-4983.2012.01129.x
page(s): 313 [details]   
Etymology From the Latin australis (= southern) & -diadema [common suffix for diadematoids]  
Etymology From the Latin australis (= southern) & -diadema [common suffix for diadematoids] [details]

Fossil range Aptian  
Fossil range Aptian [details]
Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Australidiadema Smith & Crame, 2012 †. Accessed at: http://www.marinespecies.org/echinoidea/aphia.php?p=taxdetails&id=608169 on 2023-02-07
Date
action
by
2012-08-31 10:42:40Z
created

original description Smith, A. B. & Crame, J. A. 2012. Echinoderm faunas from the Lower Cretaceous (Aptian-Albian) of Alexander Island, Antarctica. Palaeontology 55, 305-324., available online at https://doi.org/10.1111/j.1475-4983.2012.01129.x
page(s): 313 [details]   
From editor or global species database
Diagnosis Test thin-plated; weakly imbricate especially adapically; interambulacral plates with primary tubercle and smaller adradial secondary tubercle on ambital plates. On adoral plates, primary and flanking secondary tubercles are almost the same size, while adapically a single large primary tubercle dominates. Spines nonverticillate but with a fine, transverse, anatomising sculpture. [details]

Etymology From the Latin australis (= southern) & -diadema [common suffix for diadematoids] [details]

Fossil range Aptian [details]

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