WoRMS taxon details
original description
(of Plexechinus nordenskjoldi Mortensen, 1905) Mortensen, T. 1905. Some new species of Echinoidea. Videnskabelige Meddelelser fra den naturhistoriske Forening i Kjøbenhavn, Series 6 7, 241-243. [details]
original description
(of Plexechinus nordenskioldi Mortensen, 1905) Mortensen, T. 1905. Some new species of Echinoidea. Videnskabelige Meddelelser fra den naturhistoriske Forening i Kjøbenhavn, Series 6 7, 241-243. page(s): 242 [details]
original description
(of Plexechinus Nordenskiöldi Mortensen, 1905) Mortensen, T. 1905. Some new species of Echinoidea. Videnskabelige Meddelelser fra den naturhistoriske Forening i Kjøbenhavn, Series 6 7, 241-243. page(s): 242 [details]
context source (Deepsea)
De Ridder C., David B. & Larrain A. (1992). Antarctic and Subantarctic echinoids from "Marion Dufresne" expeditions MD03, MD04, MD08 and from the "Polarstern" expedition Epos III. Bulletin du Museum national d'Histoire naturelle., 14A, 2, 405-441. [details]
basis of record
David, B., T. Choné, A. Festeau & C. de Ridder (2004). Antarctic Echinoids, an Interactive Database. Editions Universitaires Dijon. Cd Rom. (look up in IMIS) [details]
new combination reference
Mooi, R. & David, B. 1996. Phylogenetic analysis of extreme morphologies: deep-sea holasteroid echinoids. Journal of Natural History 30, 913-953., available online at https://doi.org/10.1080/00222939600770501 page(s): 946 [details] Available for editors [request]
From editor or global species database
Depth range Deep-sea context derived from a specimen depth data search [details]
Original description Differs considerably from the two other species in several respects. The labrum is not separated from the second plate of the posterior interambulacrum. Four genital pores; all four genital plates distinct. Shape of the test as in P. cinctus. Only few, stout spines. [details]
Type locality Lat. 53° 34' S. Long. 43° 23' W. (Shag Rocks Bank) 160 Meter. (Swedish South-Polar Expedition.) [details]
From editor or global species database
From other sources
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