FIGURE 3. Left male first gonopod (G1): Cephalic view, A) G. lateralis from Río Prieto, Veracruz (CNCR 33942); B) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Lateral view, C) G. quadratus from Boca del Cielo, Chiapas (CNCR 34630). Ventral surface, D) G. lateralis female from Barra de Sontecomapan, Veracruz (CNCR 33943); E) G. quadratus female from Playa Higuera Blanca, Nayarit (CNCR 34012); F) G. ruricola male from Cuba (MNHN-IU-2017-8392). Frontal view, G) G. ruricola from Cuba (MNHN-IU-2017-8392) (G. ruricola photos modified from Guinot et al., 2018).

Published as part of Toledano-Carrasco, Ia Atzimba, Villalobos, José Luis & Álvarez, Fernando, 2021, A morphological, phylogenetic and phylogeographic reappraisal of the land crabs Gecarcinus quadratus De Saussure, 1853, and G. lateralis Fréminville in Guérin 1832 (Decapoda: Gecarcinidae). Are they different species?, pp. 215-236 in Zootaxa 5048 (2) on page 218, DOI: 10.11646/zootaxa.5048.2.4, http://zenodo.org/record/5552003