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Echinoidea source details
Mintz, L. W. (1968). Echinoids of the Mesozoic families Collyritidae d'Orbigny, 1853 and Disasteridae Gras, 1848. Journal of Paleontology. 42: 1272-1288.
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Mintz, L. W.
1968
Echinoids of the Mesozoic families Collyritidae d'Orbigny, 1853 and Disasteridae Gras, 1848
Journal of Paleontology
42: 1272-1288
Publication
from Kier & Lawson (1978)
Disasteroid echinoids are members of the superorder Atelostomata characterized by a disjunct apical system. Recent studies have demonstrated that primitive disasteroids are endocyclic and that the transition to exocyclic forms can be traced in several lin
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Acrolusiidae Mintz, 1968 † (original description)
Dialyaster Pomel, 1883 † accepted as Metaporinus L. Agassiz, 1844 † (basis of record) Disasteroida † accepted as Disasteridae Gras, 1848 † (original description) Galeropygoida † accepted as Galeropygidae Lambert, 1911 † (original description) Grasia Michelin, 1854 † (basis of record) Orbignyana † accepted as Orbigniana Ebray, 1860 † (basis of record) Oustechinus Lambert, 1931 † (basis of record) Pourtalesioida accepted as Pourtalesiidae A. Agassiz, 1881 (original description) Pygorhytidae Lambert, 1909 † (additional source) Tithoniidae Mintz, 1968 † (original description) Diagnosis Apical system weekly disjunct, semi-intercalary with an enlarged madreporite separating oculars II and IV; ... [details] Diagnosis for Disasteroida † Endocyclic or exocyclic Atelostomata with a disjunct apical system; protosternous, meridosternous or amphisternous ... [details] Diagnosis for Galeropygoida † Endocyclic Atelostomata with weakly developed floscelle and nondisjunct apical system. [details] Diagnosis for Pourtalesioida Exocyclic Atelostomata with a typical disjunct and fused (to varying degrees) apical system, and a meridosternous ... [details] Diagnosis Apical system strongly to weakly disjunct, ocular plates II and IV fused with genital plates 1 and 4 respectively; ... [details] Status for Disasteroida † As defined by Mintz (1968: p. 1287), the order Disasteroida would include the genera Disaster L. Agassiz, 1836 and ... [details] Status for Galeropygoida † Originally Mintz (1968: p. 1286) included the following taxa: Galeropygus Cotteau, 1856, Hyboclypus L. Agassiz, ... [details] Status Based on a unique poorly preserved specimen that has never been figured. It co-occurs with as Tithonia and agrees ... [details] Status for Pourtalesioida Mintz (1968: p. 1287-1288) elevated the Pourtalesiidae to ordinal rank "in recognition of their unique morphology ... [details] |