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Echinoidea taxon details


510525  (

H.L. Clark, 1925


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  1. Superfamily Conuloidea Lambert, 1911 †
  2. Family Echinoneidae L. Agassiz & Desor, 1847
  3. Superfamily Conulidea Kroh & Smith, 2010 † accepted as Conuloidea Lambert, 1911 † (erroneous suffix (see ICZN 1999 Art. 29.2) and authority (see ICZN 1999 Art. 36.1, 50.3))
  4. Suborder Echinoneina accepted as Echinoneidae L. Agassiz & Desor, 1847 (Taxon has the same taxonomic membership as the family Echinoneidae and was not employed in the classification by Kroh & Smith (2010))
marine, brackish, fresh, terrestrial
recent + fossil
Not documented
Kroh, A.; Mooi, R. (2023). World Echinoidea Database. Echinoneoida. Accessed at: on 2023-12-05
2010-08-31 07:25:31Z
2021-01-10 20:04:13Z
2022-03-23 16:01:24Z

taxonomy source Mongiardino Koch, N.; Thompson, J. R. (2020). A Total-Evidence Dated Phylogeny of Echinoidea Combining Phylogenomic and Paleontological Data. <em>Systematic Biology.</em> 70(3): 421-439., available online at [details]   

taxonomy source Lin, J.-P.; Tsai, M.-H.; Kroh, A.; Trautman, A.; Machado, D. J.; Chang, L.-Y.; Reid, R.; Lin, K.-T.; Bronstein, O.; Lee, S.-J.; Janies, D. (2020). The first complete mitochondrial genome of the sand dollar Sinaechinocyamus mai (Echinoidea: Clypeasteroida). <em>Genomics.</em> 112(2): 1686-1693., available online at [details]   

basis of record Kroh, A. & Smith, A.B. (2010): The phylogeny and classification of post-Palaeozoic echinoids. Journal of Systematic Palaeontology, 8/2: 147-212., available online at
page(s): 171 [details]   
From editor or global species database
Classification Mitochondrial genome (Lin et al. 2020) and Bayesian analyis of morphological characters incorporating available molecular data extant terminals (Mongiardino Koch & Thompson 2020) support a placement of echinoneoids as sister group to crown group neognathostomate echinoids, which contrasts previous morphological analyses that identified them as sister to all remaining extant irregular echinoids (Kroh & Smith 2010). [details]

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