FIGURE 2. A–D in Review of the enigmatic 'shark', Platyacrodus unicus Ameghino, 1935, from the Paleocene of Patagonia, Argentina: a history of palaeontologists, sharks and crabs

FIGURE 2. A–D, Platyacrodus unicus (holotype, MACN-A 12701), Río Chico, Chubut, Salamancan (Danian) in A, dorsal, B, ventral, C, posterior, and D, right lateral views. E, Label handwritten by Florentino Ameghino associated to MACN-A 12701. Abbreviations: ar, anterior ridge; cg, cervical groove; cr, cardiac region; lf, lateral flank; mgr, metagastric region; mr, median ridge; no, notch; pr, posterior ridge. Scale bar equals 5 mm.

Published as part of Bogan, Sergio, Agnolin, Federico & Ezcurra, Martín D., 2019, Review of the enigmatic 'shark', Platyacrodus unicus Ameghino, 1935, from the Paleocene of Patagonia, Argentina: a history of palaeontologists, sharks and crabs, pp. 293-300 in Zootaxa 4646 (2) on page 296, DOI: 10.11646/zootaxa.4646.2.5, http://zenodo.org/record/3349473

Keywords

Arthropoda, Retroplumidae, Decapoda, Animalia, Biodiversity, Platyacrodus, Taxonomy

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