File:Xandarosaster hessi (10.5852-ejt.2021.755.1405) Figure 15.png

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English: Fig. 15. A–C. Xandarosaster hessi Blake, 1984. A. Holotype slab (NMB M9683), showing articulated ambulacral ossicles and isolated adambulacrals (arrowed); the original of Blake (1984: fig. 2a1–3). B–C. Line drawings of actinal views of adambulacrals; note extreme elongation, long interadambulacral muscle insertion site and boss for a single, large subadambulacral spine. D. Similar adambulacral ossicle of indeterminate form (NHMUK PI EE 18008). Provenance: A–C. Bajocian of Reigoldswil, Canton Baselland, Switzerland. D. Oxfordian, Andelot-Morval, Jura, France (for details of locality, reference is made to Gale 2018: fig. 20). Scale bars: A = 10 mm; B–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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current05:08, 7 August 2023Thumbnail for version as of 05:08, 7 August 20231,893 × 1,587 (3.02 MB)Christian Ferrer (talk | contribs){{Information | description = {{en|1=Fig. 15. A–C. ''Xandarosaster hessi'' Blake, 1984. A. Holotype slab (NMB M9683), showing articulated ambulacral ossicles and isolated adambulacrals (arrowed); the original of Blake (1984: fig. 2a1–3). B–C. Line drawings of actinal views of adambulacrals; note extreme elongation, long interadambulacral muscle insertion site and boss for a single, large subadambulacral spine. D. Similar adambulacral ossicle of indeterminate form (NHMUK PI EE 18008). Provena...

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