File:Asteroidea (10.5852-ejt.2021.755.1405) Figure 16.png

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English: Fig. 16. A–C. Alkaidia sumralli Blake & Reid, 1998 (NHMUK EE15225). A–B. Abactinal (A) and actinal (B) views of well-preserved individual, retaining spines and pedicellariae. C. Enlargement of ambulacral groove, showing spines and duck-bill pedicellariae. — D. Zoroaster fulgens Thomson, 1873, duck-billed pedicellaria of a zoroasterid (A.S. Gale collection, unregistered). Provenance: A–C. Grayson Formation, Graysonites wacoense ammonite Zone, Dottie Lynn Lane, Fort Worth, Texas, USA (for details of locality, reference is made to Hess 2015 and Gale et al. 2021). D. Recent, Rockall Trough, northeast Atlantic. Scale bars: A–B = 50 mm; C = 5 mm; D = 0.5 mm.
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Source Gale, A. S., & Jagt, J. W. (2021). The fossil record of the family Benthopectinidae (Echinodermata, Asteroidea), a reappraisal. European Journal of Taxonomy, 755(1), 149-190. https://doi.org/10.5852/ejt.2021.755.1405
Author Gale & Jagt (2021)
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current05:10, 7 August 2023Thumbnail for version as of 05:10, 7 August 20232,443 × 3,171 (3.89 MB)Christian Ferrer (talk | contribs){{Information | description = {{en|1=Fig. 16. A–C. ''Alkaidia sumralli'' Blake & Reid, 1998 (NHMUK EE15225). A–B. Abactinal (A) and actinal (B) views of well-preserved individual, retaining spines and pedicellariae. C. Enlargement of ambulacral groove, showing spines and duck-bill pedicellariae. — D. ''Zoroaster fulgens'' Thomson, 1873, duck-billed pedicellaria of a zoroasterid (A.S. Gale collection, unregistered). Provenance: A–C. Grayson Formation, Graysonites wacoense ammonite Zone, Dotti...

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