Echinoidea taxon details
original description
Leske, N. G. 1778. Jacobi Theodori Klein naturalis dispositio echinodermatum . . ., edita et descriptionibus novisque inventis et synonomis auctorem aucta. Addimenta ad I. T. Klein naturalem dispositionem Echinodermatum. G. E. Beer, Leipzig, xxii+278 pp., available online at http://gdz.sub.uni-goettingen.de/dms/load/img/?PID=PPN573613834 page(s): 195 [details] 
original description
(of Lobophora L. Agassiz, 1841) Agassiz, L. 1841. Monographies d'Échinodermes vivans et fossiles. Échinites. Famille des Clypéasteroides. 2 (Seconde Monographie). Des Scutelles. Neuchâtel, Switzerland, i-iv, 1-151, pls 1-27., available online at https://www.biodiversitylibrary.org/page/1395637 [details]
original description
(of Tretodiscus Pomel, 1883) Pomel, A. 1883. Classification méthodique et Genera des Échinides vivantes et fossiles. Thèses présentées à la Faculté des Sciences de Paris pour obtenir le Grade de Docteur ès Sciences Naturelles 503, Adolphe Jourdan, Alger, 131 pp., available online at http://www.biodiversitylibrary.org/item/43038 [details]
basis of record
Rowe, F. W. E.; Gates, J. (1995). Echinodermata. <em>In: Wells, A.; Houston, W.W.K. (Ed.) Zoological catalogue of Australia, 33. CSIRO: Melbourne. ISBN 0-643-05696-3. XIII.</em> 510 pp. [details]
subsequent type designation
Clark, H. L. (1911). The genera of recent clypeastroids. <em>Annals and Magazine of Natural History, Series 8.</em> 7/42: 593-605., available online at https://www.biodiversitylibrary.org/page/15815317 page(s): 597 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Diagnosis 1. Test sometimes slightly indented laterally in ambulacra II and IV; thin and sharp margin;
2. Main visceral central hollow with floor reinforced by a network of thin trabeculae;
3. Petals sometimes open; the posterior pair shorter than the rest, the anterior odd sometime being the longest;
4. Posterior ambulacra with axial ellipsoidal lunules, long slit-like lunules or notches;
5. Periproct open next to the rear margin on inter. 5;
6. Food grooves branched distally;
7. Angle between the lunules from 70 to 110°;
8. Width at ambitus of interambulacrum 5 from 36 to 53% TL;
9. Tube-feet extending into interambulacral zones;
10. Post-basicoronal plates 2a/2b, 3a/3b on inter. 5 large and paired, forming an obtuse triangle;
11. Only 2–4 plates present between the lunules and the tips of respective petals. [details]Unreviewed
Remark Type species: Echinodiscus bisperforatus Leske, 1778 by subsequent designation in H.L. Clark (1911) (Rowe & Gates, 1995).
In family Clypeasteridae in Ludwig (1899); in family Scutellidae in Clark & Courtman-Stock (1976). [details]
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Japanese |
フタツアナスカシカシパン属 |
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From editor or global species database
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