Trait;"B. andianus";"B. campbelli";"B. colombianus";"B. hyoprora";"B. lojanus";"B. myersi";"B. myrringae sp. nov.";"B. tulitoi sp. nov."
Snout;"No upturned";"No upturned";"No upturned";Upturned;"No upturned";"No upturned";"No upturned";"No upturned"
Intersupraoculars;3–10;"3–8 keeled";"6–10 Tuberculate";"2–9 smooth";"3–5 slightly keeled";"3–6 smooth";"7–9 slightly keeled";"5–9 slightly keeled"
Lacunolabial;Present;Absent;Absent;"Often present";Absent;Present;Present;Absent
"Dorsal scale surface";Keeled;Keeled;Tuberculate;Keeled;Keeled;Keeled;Keeled;Keeled
"Ventral scale counts";154–179;152–177;162–173;118–142;144–145;139–151;152–161;150–168
"Subcaudal scale counts";49–63;48–64;51–54;44–52;37–46;44–52;41–54;46–58
"Shape of the hemipenial lobes";;"Robust and cylindrical";"Robust and cylindrical";Conical;;;"Slim and cylindrical";Conical
"Walls of the Sulcus spermaticus";;"Robust and well defined";"Robust and well defined";"Robust and well defined";;;"Weakly defined";"Robust and well defined"
"Size of the lateral and mesial spines of the hemipenis";;Variable;Variable;Variable;;;Variable;Invariable
"Ornamentation of the hemipenial lobes apex";;"Large and dense calyces";"Large and dense calyces";"Large and dense calyces";;;"Large and scarce calyces";"Large and dense calyces"