Hypsiboas stenocephalus

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Taxonavigation: Anura 

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Amphibia
Subclassis: Lissamphibia
Ordo: Anura

Familia: Hylidae
Subfamilia: Hylinae
Tribus: Cophomantini
Genus: Hypsiboas
Species: Hypsiboas stenocephalus


Hypsiboas stenocephalus (Caramaschi & Cruz, 1999)

Type locality: "Brasil, Minas Gerais, Municipio Poços de Caldas (21° 47´ S, 46° 33´ W)".

Holotype: MNRJ 3821.


Translate by Caramaschi and Cruz, 1999

Group polytaenia order cipoensis ; Average group size for CRA ( 26.0 to 30.4 mm in males ) ; snout truncate in dorsal view, rounded in lateral view ; Appendix calcaneus and supra -anal crest absent ; robust forelimbs ; fingers and toes with small adhesive disks and undeveloped webbed ; skips back body colored straw, which unite their two ahead of the eyes ; brown lateral band bordered by a white line superiorly and inferiorly by a white band ; lateral margins of the lower jaw brown, traversed by narrow white band . Description : slender appearance, length greater than width head that fits about 3.6 times in total length; snout truncate in dorsal view, rounded in lateral view ; nostrils not protuberant, elliptical, located and directed laterally ; intranasal distance greater than the distance eye - nostril and the width of the upper eyelid and the lower interorbrital distance slightly prominent eyes situated laterally directed slightly forward ; Eye diameter 1.5 times the distance eye - nostril and slightly larger than twice the diameter of the eardrum ; rostral corner rounded, loreal region oblique and slightly concave ; subgular and unique vocal sac ; vomeriânos teeth in two small groups and ovate ; large, elliptical, little free and just stuck behind language; evident eardrum, circular, away from the posterior edge of the eye for approximately equivalent to the diameter distance ; supratimpânica evident dermal fold, extending to the insertion of the arm. Robust forelimbs, forearm thicker than her arm . Robust hand without carpal calluses ; roughened palmar surface ; fingers with long and medium thickness, fimbrados ; small adhesive discs, and the finger I has half the diameter of the others; PROPLEX evident; tubercles developed, tapered and single subarticular ; supernumerary tubercles present; webbed undeveloped ; palmar formula Io - oII2 -3 - 2 - 5III3 + IV . Long hind limbs ; length greater than the length of the thigh tibia ; sum of the lengths of the thigh and tibia about equal to the total length . With foot plantar surface smooth ; Desevolvidos internal metatarsal tubercles, rounded ; outer metatarsal tubercle absent; long and thin, with small toes adhesive discs smaller than those of fingers ; rounded subarticular tubercles ; supernumerary tubercles absent ; webbed undeveloped ; formula planting -2 + I2 + II2 + III2 - 3 0.5-3, 5IV3 -22 - V . Dorsal surface smooth ; belly and lower surfaces of rough thighs ; region and the anal opening unmodified . Dorso - colored body with four wide bands of straw color interspersed by three slightly more narrow bands of brown, longitudinally arranged . Skips unite two by two ahead of the eyes . In those skips are observed, just in the center, a longitudinal line also brown color, which extends from the tip of the snout to the insertion of the thigh . Along the top edge of this dark band is observed a line of white color, and along the upper edge of that dark band there is a line of white color, and along the bottom edge of a strip of white color also . The latter circumvents the tip of the snout and passing under the eye and the tympanum, extending to the inclusion of thigh. Immediately below this white band, a narrow band brown bypasses the upper and lower mexilas extending to the insertion of this arm and to the insertion of the thigh, which has already esmacida . Finally, a narrow strip of white crosses, inferiorly, brown lateral margins of the lower jaw to the insertion of the arm and this until the beginning of the posterior third of the flank, where it has dimmed . On the dorsal surface of the members of a band bordered straw color, on its side, by another band brown color occurs ; these longitudinal bands extending from the insertion of the member until the end of its outermost digit. Belly pale straw color . Throat region, below the vocal sac, with mild white score .


  • Hyla stenocephala Caramaschi and Cruz, 1999
  • Hypsiboas stenocephalus — Faivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005
  • Boana stenocephala — Wiens, Fetzner, Parkinson, and Reeder, 2005