Table 1 Presence of the mandibular duct and type of insertion of both levator anguli oris (LAO) and intermandibularis posterior pars posterior (IPP) muscles in dissected species of the snail-eating dipsadine clade
From: Consuming viscous prey: a novel protein-secreting delivery system in neotropical snail-eating snakes
Species | Mandibular duct | LAO insertion | IPP insertion |
|---|---|---|---|
Dipsas albifrons | Present | Anterior region of dentary | Connected to the gland |
Dipsas alternans | Present | Anterior region of dentary | Connected to the gland |
Dipsas brevifascies | Absent | Anterior region of dentary | Parallel to the gland |
Dipsas bucephala | Present | Anterior region of dentary | Connected to the gland |
Dipsas catesbyi | Present | Anterior region of dentary | Parallel to the gland |
Dipsas gracilis | Present | Anterior region of dentary | Parallel to the gland |
Dipsas incerta | Present | Anterior region of dentary | Parallel to the gland |
Dipsas indica | Present | Anterior region of dentary | Connected to the gland |
Dipsas neivai | Present | Anterior region of dentary | Connected to the gland |
Dipsas oreas | Present | Anterior region of dentary | ? |
Dipsas pakaraima | Absent | Anterior region of dentary | Parallel to the gland |
Dipsas pavonina | Present | Anterior region of dentary | Connected to the gland |
Dipsas peruana | Present | Anterior region of dentary | Connected to the gland |
Dipsas sanctijoannis | Present | Anterior region of dentary | Parallel to the gland |
Dipsas temporalis | Absent | Anterior region of dentary | Parallel to the gland |
Dipsas tenuissima | Absent | Anterior region of dentary | ? |
Dipsas variegata | Present | Anterior region of dentary | Connected to the gland |
Sibon annulatus | Absent | Infralabial gland | Parallel to the gland |
Sibon carri | Absent | Infralabial gland | Parallel to the gland |
Sibon dimidiatus | Absent | Infralabial gland | Parallel to the gland |
Sibon nebulatus | Absent | Infralabial gland | Parallel to the gland |
Sibon sanniolus | Absent | Infralabial gland | Parallel to the gland |
Sibynomorphus garmani | Present | Anterior region of dentary | ? |
Sibynomorphus lavillai | Present | Anterior region of dentary | Connected to the gland |
Sibynomorphus mikanii | Present | Anterior region of dentary | Parallel to the gland |
Sibynomorphus neuwiedi | Present | Anterior region of dentary | Parallel to the gland |
Sibynomorphus petersi | Present | Anterior region of dentary | Connected to the gland |
Sibynomorphus turgidus | Present | Anterior region of dentary | Parallel to the gland |
Sibynomorphus vagus | Absent | Anterior region of dentary | Connected to the gland |
Sibynomorphus ventrimaculatus | Present | Anterior region of dentary | Parallel to the gland |
Sibynomorphus williamsi | Present | Anterior region of dentary | ? |
Tropidodipsas fischeri | Absent | Infralabial gland | Parallel to the gland |
Tropidodipsas sartorii | Absent | Infralabial gland | Parallel to the gland |