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8 results for “Gecarcinus quadratus”
FIGURE 8 in 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?
FIGURE 8. Localities of Gecarcinus lateralis and G. quadratus analized. 1) Boca de Catán, Tamaulipas. 2) La Pesca, Tamaulipas. 3) Barra de Cazones, Veracruz. 4) Río Prieto, Veracruz. 5) Barra de Sontecomapan, Veracruz. 6) Chiltepec, Tabasco. 7) Playa Bruja, Tabasco. 8) Cayo Arcas, Campeche. 9) Arrecife Alacranes, Yucatán. 10) Banco Chinchorro, Quintana Roo. 11) Mahahual, Quintana Roo. 12) Puerto Vargas, Costa Rica. 13) Puerto Viejo, Costa Rica, 14) Bocas del Drago, Panamá. 15) Playa Higuera Blanca, Nayarit. 16) Punta Mita, Nayarit. 17) Estación de Biología Chamela, Jalisco. 18) Playa Troncones, Guerrero. 19) Playa Aragón, Oaxaca. 20) Boca del Cielo, Chiapas. 21) Playa Larga, Cuba.
FIGURE 4 in 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?
FIGURE 4. Maximum clade credibility tree based on Bayesian inference (BI) for Gecarcinus, Johngarthia and the outgroup, Cardisoma guanhumi, using the concatenated matrix of the 16S and COI genes. Probability values at the nodes refer to support values for BI and maximum likelihood (ML). In the assigned key for Mexican specimens, the last letter indicates the sex of the organism: male (M), female (H) or juvenile (JU), followed by the individual number. The organisms highlighted in red in the Atlantic Clade correspond to specimens from Costa Rica and Panama. See the locality list in table 1.
FIGURE 1 in 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?
FIGURE 1. Dorsal view of: A) Gecarcinus lateralis from Río Prieto, Veracruz (CNCR 33942) and B) G. quadratus from Barra de Boca del Cielo, Chiapas (CNCR 34630).
FIGURE 6 in 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?
FIGURE 6. Median-joining network for Gecarcinus quadratus based on the alignment of the mitochondrial gene COI. Each middle line indicates one mutational step between haplotypes. Circles represent different haplotypes and their diameters the frequency of each.
FIGURE 3 in 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?
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).
FIGURE 5 in 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?
FIGURE 5. Maximum likelihood tree (ML) for Gecarcinus, Johngarthia and the outgroup, Cardisoma guanhumi, using the 16S gene. Probability values at the nodes represent support values for likelihood (ML). In the assigned key for Mexican specimens, the last letter indicates whether the organism is male (M), female (H) or juvenile (JU) followed by the individual number. The organisms highlighted in red in the Atlantic Clade correspond to specimens from Costa Rica and Panama. See the locality list in table 1.
FIGURE 2 in 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?
FIGURE 2. Gecarcinus lateralis from Río Prieto, Veracruz (CNCR 33942): A) frontal view, B) ventral vie, C) rows of spines in the dactyli of the pereiopods, D) major chela. Gecarcinus quadratus from Boca del Cielo, Chiapas (CNCR 34630): E) frontal view, F) ventral view, G) rows of spines in the dactyli of the pereiopods, H) major chela.
FIGURE 7 in 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?
FIGURE 7. Median-joining network for Gecarcinus lateralis based on the alignment of the mitochondrial gene COI. Small red rhombuses correspond to missing or hypothetical haplotypes. Each middle line indicates one mutational step between haplotypes. Circles represent different haplotypes and their diameters their frequency of appearance.
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