First Record of Boa Constrictor (Serpentes, Boidae) in the Quaternary of South America

Lizards and snakes (Lepidosauria, Squamata) from the late Quaternary of the state of Ceara´ in northeastern Brazil

“…Of the previous nine subspecies of E. cenchria, five are now recognized as distinct species E. alvarezi, E. assisi, E. cenchria, E. crassus, and E. maurus based on statistically robust delimitation of species boundaries (Passos and Fernandes, 2008). The taxonomic assignment of the specimen described above is based on the following combination of vertebral characters shared with the genera of extant neotropical boines: robust, short and wide vertebra, low inclination of the articular facet of the prezygapophysis (less than 15u); short prezygapophyseal process, vertebral centrum short, marked precondylar constriction, haemal keel well developed in the midtrunk vertebrae, and presence of subcentral and lateral foramina (Rage, 2001;Lee and Scanlon, 2002;Szyndlar and Rage, 2003;Albino and Carlini, 2008;Albino, 2009, 2010). Within the neotropical boines, the trunk vertebra is similar to samples from individuals of the genera Epicrates and Corallus, differing from Eunectes and …”

A new fossil species ofBoaLinnaeus, 1758 (Squamata, Boidae), from the Pleistocene of Marie-Galante Island (French West Indies)

“…nov., also present a strongly concave anterior margin of the zygosphene in dorsal view, whereas this is straight in B. nebulosa. This character, absent in our comparative material of B. constrictor, was reported to also occur in continental Boa (Albino and Carlini, 2008;Albino, 2011;Onary-Alves et al, 2016), showing that both character states occur in Boa constrictor.…”

Avances en El Conocimiento De Los Reptiles Escamosos Fósiles Continentales De América Del Sur

“…Sin embargo, es notable que aún entonces los boideos habitaran más allá de los 34° de latitud sur que es su límite actual de distribución (Albino y Brizuela, 2014a (Estes, 1961(Estes, , 1983Hoffstetter y Rage, 1977;Hecht y LaDuke, 1997;Head et al, 2006;, 2010aHsiou et al, , 2010 (Albino, 1989(Albino, , 1992Albino y Quintana, 1992;Albino y Carlini, 2008;Albino et al, 2013).…”