Praedatrypaea ocozocoautlaensis, Hyžný & Vega & Coutiño, 2023

Hyžný, Matúš, Vega, Francisco J. & Coutiño, Marco A., 2023, Validation of Callianassa ocozocoautlaensis Hyžný, Vega & Coutiño, a fossil ghost shrimp (Malacostraca: Decapoda: Axiidea) from the Upper Cretaceous of Chiapas, Mexico, Zootaxa 5318 (2), pp. 295-296 : 295-296

Praedatrypaea ocozocoautlaensis sp. nov.

( Fig. 1A–1D )

urn:lsid:zoobank.org:act:D461B591-EAB8-4FFE-91C0-5E59E73E4F4D

Callianassa (s.l.) ocozocoautlaensis Hyžný, Vega & Coutiño, 2013: 259 , figs. 3.1–3.3. [Unavailable]

Holotype. The holotype is deposited in the Museo de Paleontología "Eliseo Palacios Aguilera", Secretaría de Medio Ambiente e Historia Natural/ Dirección de Paleontología, Calzada de los Hombres Ilustres s/n, Colonia Antiguo Parque Madero, Tuxtla Gutiérrez, 29000, Chiapas, México, under the repository number IHNFG-4664.

Diagnosis. Callianassid with chelipeds of unequal size and dissimilar shape. Major cheliped manus upper margin arcuate, lower margin straight, fixed finger shorter than manus, lateral surface with longitudinal depression, fingers of approximately the same length, occlusal margins armed. Minor cheliped carpus subtriangular, propodus long and slender, both fingers slender, unarmed and pointed.

Etymology. After the Ocozocoautla Formation.

Occurrence. Lower Maastrichtian of the Ocozocoautla Formation, Chiapas ( Mexico).

Remarks. A full description and figures of the species are given by Hyžný et al. (2013).

Figures

FIGURE 1. Praedatrypaea ocozocoautlaensis sp. nov., Lower Maastrichtian Ocozocoautla Formation, holotype IHNFG-4664: A, B, major and minor cheliped, respectively; C, D, schematic drawings of the major and the minor cheliped, respectively.