Table 2. Morphological comparisons among mainland Tropidophis Bibron, 1840 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin

Table 2. Morphological comparisons among mainland Tropidophis Bibron, 1840 of South America. Diagnostic characters of Tropidophis cacuangoae sp. nov. are highlighted in bold. Supporting data from Curcio et al. 2012 are indicated with an asterisk (*). Species with confirmed records from the Andes mountain range are indicated with a dagger (†).
Tro. cacuangoae sp. nov. †Tro. battersbyiTro. taczanowksyi * †Tro. grapiuna *Tro. paucisquamis *Tro. preciosus *Dorsals23/22/17 (n = 1) or21/23/17 (n = 1)23/23/21 (n = 7),23/23/19 (n = 1)16/21/15 (n = 1), 21/21/1523/23/17 (n = 1)22/23/17 (n = 1)25/23/21 (n = 4), or(n = 12), 21/21/16 (n = 3),23/23/19 (n = 2)21/21/17 (n = 2), 21/23/17(n = 2), 23/23/16 (n =2), 23/23/17 (n = 14),23/23/18 (n = 1), 23/23/19(n = 3)Keelspresent, small or indistinctabsentpresent, conspicuouspresentabsent or indistinctabsentVentrals162 (♂) (n = 1);200 (♂) (n = 1)148–160 (♂) (n = 4);154–155 (♀) (n = 2)164–178 (♂) (n = 20);196–203 (♀) (n = 2)156 (♀) (n = 1)146–156 (♀) (n = 9)167–183 (♀) (n = 30)Rostral scalepresent, entirepresent, entirepresent, entirepresent, entirepresent, entirepresent, entireTemporals3 + 4 + 3 (n = 1) or3 + 4 (n = 1)2 + 3 (n = 13)2 + 3 (n = 2)2 + 3 (n = 8)2 + 3 (n = 2)2 + 3 + 3 (n = 1)Subcaudals33 (♂) (n = 1);41 (♂) (n = 1)25–33 (♂) (n = 9);26–30 (♀) (n = 2)29–38 (♂) (n = 19); 30–3727 (♀) (n = 1)30 (♀) (n = 1)23–27 (♀) (n = 4)(♀) (n = 29)Supralabials8–10 (n = 2)11 (n = 1)8–11 (n = 13)10–11 (n = 2)8–10 (n = 12)9–10 (n = 1)Infralabials9–10 (n = 2)11 (n = 1)9–11 (n = 13)11–12 (n = 2)8–11 (n = 12)11–12 (n = 2)Dorsal patternuniformly light brown,large dark brownstriped-spotted, lateralsmall dark brownsmall dark brown spotsirregular dark brownsmall diffuse brown spotsspots over a light grayorange stripes over aspots over a darkover a dark brownblotches over a darkbackgrounddark brown backgroundbrown backgroundbackground, vertebralbrown backgroundlight brown stripeVentral patternlarge black blotches on analternating blackalternating blackalternating blacklarge black ellipticalalternating large blackorange backgroundelliptical blotchessquares on a whiteelliptical blotchesblotches on an orangesquaresbackgroundbackgroundEyelashesabsentabsentabsentabsentabsentabsentParietal contactin contactseparatedusually separatedseparatedin contactin contactInterparietalsabsent or smallpresent, conspicuouspresent, conspicuouspresent, conspicuoususually absentabsentMaximum SVL (mm)320 (♂), 255 (♀)299 (♂)335 (♂), 348 (♀)289 (♀)336 (♂), 357 (♀)449 (♀)GeographicNortheastern EcuadorEcuador, but likelySoutheastern EcuadorNortheastern BrazilSoutheastern BrazilSoutheastern Brazildistributionfrom Greater Antillesand Northeastern Peru.