Fig. 4 in New brachyuran crabs from the Aptian-Albian Romualdo Formation, Santana Group of Brazil: Evidence for a Tethyan connection to the Araripe Basin

Fig. 4.?Eogeryonid brachyuran Romualdocarcinus salesi Prado and Luque gen. et sp. nov. from the upper Aptian–lower Albian Romualdo Formation of the Santana Group, Araripe Basin, Pernambuco, Brazil. A. Holotype DGEO-CTG-UFPE-8122; A1, dorsal view showing the two anterolateral spines, the epibranchial spine, and the outer orbital spine; A2, close-up of rostrum and left orbit showing the inner-, intra-, and outer- orbital spines; A3, inverted colour image of A2, showing the short and wide inner and outer orbital fissures. B. Paratype DGEO-CTG-UFPE-8119; B1, dorsal carapace; B2, inverted colour image of B1 showing the outer orbital spine and the two anterolateral spines. C. Paratype DGEO-CTG-UFPE-8137; C1, dorsal carapace; C2, inverted colour image of C1, showing the anterolateral spines and the short epibranchial spine. D. Paratype DGEO-CTG-UFPE- 8127; D1, SEM image of dorsal carapace; D2, inverted colour image of D1, showing the anterolateral spines and the short epibranchial spine. Abbreviations: as, anterolateral spines; ios, inner orbital spine; iof, innermost orbital fissure; its, intra-orbital spine; oof, outermost orbital fissure; oos, outer orbital spine. All specimens photographed dry and uncoated, except for C1, which was coated with ammonium chloride.