Echinoidea taxon details
original description
Flores, J.N., Penchaszadeh, P.E. & Brogger, M.I. (2021). Heart urchins from the depths: Corparva lyrida gen. et sp. nov. (Palaeotropidae), and new records for the southwestern Atlantic Ocean. <em>Revista de Biología Tropical.</em> 69/ Suppl. 1: 14-34., available online at https://revistas.ucr.ac.cr/index.php/rbt/article/view/46320 page(s): 19-20 [details] Available for editors
context source (Deepsea)
Flores, J.N., Penchaszadeh, P.E. & Brogger, M.I. (2021). Heart urchins from the depths: Corparva lyrida gen. et sp. nov. (Palaeotropidae), and new records for the southwestern Atlantic Ocean. <em>Revista de Biología Tropical.</em> 69/ Suppl. 1: 14-34., available online at https://revistas.ucr.ac.cr/index.php/rbt/article/view/46320 [details] Available for editors
From editor or global species database
Diagnosis Test ovoid, small size, truncated posterior end. Semi-ethmolytic apical system, four gonopores. No frontal notch. Paired ambulacra apetaloid, pore-pairs small and rudimentary. Fascioles absent. Periproct on the posterior end, slightly inframarginal. Peristome D-shaped, sunken. Labrum narrow, not projecting over the peristome, reaching to rear part of second adjacent ambulacral plate. Plastron amphisternous, domed in profile. Primary spines slender, more abundant on aboral side, lacking on posterior ambulacral areas on oral side. Pedicellariae present: tridentate, globiferous, and triphyllous. [details]
From editor or global species database
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