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Figure 2.(CF) Carapace front; (O) orbit; (IOM) mesial lobe of infraorbital margin; (x) widest width of CF; (z) mesial end of suborbital crista; (x–y) width of IOM at point of contact with CF; (y–z) shortest distance between CF and mesial end of suborbital crista; A, B Atlantic Gecarcinus lateralis (Freminville 1835), male, carapace width (CW) 31 mm, Costa Rica, Puerto Viejo C Gecarcinus nobilii sp. n., holotype, male, CW 31 mm, Ecuador, Punta Galera (LACM CR 1968-477). First male gonopod: Gecarcinus nobilii sp. n., holotype: D mesial view E lateral view F Pacific Gecarcinus lateralis (sensu Türkay 1973), CW 31 mm, Costa Rica, Hermosa Beach, lateral view; Scale bar = 5 mm.
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Figure 3.Gecarcinus nobilii sp. n., holotype, male, carapace width 31 mm, Ecuador, Punta Galera (LACM CR 1968-477), preserved in alcohol (color faded): A dorsal view B frontal view C ventral view. Paratype, female, Ecuador, St. Elena (MNHN, B12314), preserved in alcohol (color faded): D carapace front E frontal view F ventral view.
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Figure 4.Gecarcinus nobilii sp. n., color in life; Colombia: Gorgona Island A male, photo by Karla Garcia Burneo (Peru) B, C male, photos by Rhett A. Butler (USA) D female, Buenaventura dept., Chucheros Beach, photo by Elena Gómez E sex unknown, Chocó dept., Nuquí prov., Canangucho Forest Reserve. Ecuador: F sex unknown, Manabí prov., Ayampe, photo by David Liebman (USA). Captive individuals from the pet trade, origin unknown: G sex unknown, photo by Oliver Mengedoht (Germany) H, I females, photos by John Beatty (USA) (the individual shown above in Fig. 1 belongs to the Pacific population of Gecarcinus lateralis (sensu Türkay 1973), please note the differences in the mesial lobe of the infraorbital margin).
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Figure 5.Dorsal carapace pattern (shape of light patches could vary slightly): Gecarcinus lateralis (Freminville 1835) (sensu Türkay 1973): A Pacific coast of Central America. Atlantic coast of Central America: B form with lateral margin (M) on dorsal carapace and orange patches at anterolateral (AP) and posterior (PP) carapace border; C form without lateral margin on dorsal carapace D Gecarcinus nobilii sp. n.
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Figure 6.A–C lectotype of Gecarcinus lateralis (Freminville, 1835), male, carapace width 47.2 mm, Guadeloupe (MNHN-3758) (dried specimen, color faded) D–F syntype of Gecarcinus quadratus Saussure, 1853, male, carapace width 39.7 mm, Mexico, Mazatlan (ANSP-CA3741) (dried specimen, color faded) (photos by Paul Callomon, Academy of Natural Sciences of Drexel University, Philadelphia).
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Figure 8.Gecarcinus lateralis (Freminville, 1835) (sensu Türkay 1973), dorsal view, color in life, in hard-shell condition. Atlantic coast, Costa Rica, Puerto Viejo, showing the forms limiting the range of color variability: A male, carapace width (CW) 39 mm B male, CW 29 mm C female, CW 32 mm D male, CW 44 mm E male, CW 47 mm F female, CW 33 mm. Pacific coast: Costa Rica, Playa Hermosa: G male, CW 58 mm H male, CW 38 mm.
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Figure 7.Gecarcinus lateralis (Freminville, 1835) (sensu Türkay 1973), frontal and lateral views, color in life, in hard-shell condition. Atlantic coast: Costa Rica, Puerto Viejo: A male, carapace width (CW) 44 mm B, C male, CW 29 mm D female with contrasting dorso- and ventrolateral color, CW 32 mm. Pacific coast: Costa Rica, Playa Hermosa: E male, CW 58 mm F male, CW 38 mm.
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Description: English: Gecarcinus nobilii male from Colombia. Date: 2014. Source: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. doi: 10.3897/zookeys.435.7271. Author: Rhett A. Butler (USA).
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Description: English: Gecarcinus nobilii color in life; Colombia: Gorgona Island A male, photo by Karla Garcia Burneo (Peru) B, C male, photos by Rhett A. Butler (USA) D female, Buenaventura dept., Chucheros Beach, photo by Elena Gómez E sex unknown, Chocó dept., Nuquí prov., Canangucho Forest Reserve. Ecuador: F sex unknown, Manabí prov., Ayampe, photo by David Liebman (USA). Captive individuals from the pet trade, origin unknown: G sex unknown, photo by Oliver Mengedoht (Germany) H, I females, photos by John Beatty (USA) (the individual shown above in Fig. I belongs to the Pacific population of Gecarcinus lateralis (sensu Türkay 1973), please note the differences in the mesial lobe of the infraorbital margin). Date: 2014. Source: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. doi: 10.3897/zookeys.435.7271. Author: See description.
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Description: English: Gecarcinus nobilii holotype, male, carapace width 31 mm, Ecuador, Punta Galera (LACM CR 1968-477), preserved in alcohol (color faded): A dorsal view B frontal view C ventral view. Paratype, female, Ecuador, St. Elena (MNHN, B12314), preserved in alcohol (color faded): D carapace front E frontal view F ventral view. Date: 2014. Source: Perger R, Wall A (2014) The description of a new species of the Neotropical land crab genus Gecarcinus Leach, 1814 (Crustacea, Decapoda, Brachyura, Gecarcinidae). ZooKeys 435: 93-109. doi: 10.3897/zookeys.435.7271. Author: Robert Perger and Adam Wall.
