Echinoidea taxon details
original description
(of Echinus niger Molina, 1782) Molina, J. I. (1782). Saggio sulla storia naturale del Chile, del Signor Abate Giovanni Ignazio Molina. <em>Bologna.</em> i-v + 1-306 + errata + map., available online at https://www.biodiversitylibrary.org/item/141623 page(s): 175-176 [details] 
original description
(of Echinus purpurescens Valenciennes, 1846) Valenciennes, A. 1846. [Zoophytes] in A. du Petit-Thouars Voyage autour de monde sur la frégate La Vénus, pendant les années 1836-1839. Atlas de Zoologie Gide et Cie, Paris. [not paginated] page(s): pl. 5: figs 1, 1a-h [details] 
basis of record
Mortensen, T. (1935). A Monograph of the Echinoidea. II. Bothriocidaroida, Melonechinoida, Lepidocentroida, and Stirodonta, 647 pp., C. A. Reitzel & Oxford University Press, Copenhagen & London. page(s): 582-584 [details]
status source
Courville, E., Poulin, E., Saucede, T., Mooi, R., Lessios, H., Salinas, A. M. & Diaz, A. (2023). Taxonomic reassessment of Tetrapygus niger (Arbacioida, Echinoidea): molecular and morphological evidence support its placement in Arbacia. <em>Zootaxa.</em> 5375(2): 249-261., available online at https://doi.org/10.11646/zootaxa.5375.2.6 [details] Available for editors 
From editor or global species database
Status Based on molecular mitochondrial (COI), nuclear (28S), and morphological evidence, Tetrapygus niger was recovered as the sister species to Arbacia dufresnii, both species forming a clade within the phylogeny of South American species of Arbacia. Consequently, Tetrapygus was synonymized with Arbacia by Courville et al. (2023: p. 259) and the species Tetrapygus niger reattributed to Arbacia, as previously proposed by A. Agassiz in Agassiz & Desor (1846), under the species name Arbacia nigra. [details]
From editor or global species database
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