- The
Caenophidia are a
derived clade of
alethinophidian snakes,
which contains over 80% of all the
extant species of snakes. The
largest family is Colubridae...
- Bonatto, S. L. (2009). "Molecular
phylogeny of
advanced snakes (Serpentes,
Caenophidia) with an
emphasis on
South American Xenodontines: a
revised classification...
- "henophidian"
snakes are all
snakes that are not
Scolecophidia (blindsnakes) or
Caenophidia (so-called "advanced snakes"). "Henophidian"
snakes are
sometimes said...
- Bonatto, S. L. (2009). "Molecular
phylogeny of
advanced snakes (Serpentes,
Caenophidia) with an
emphasis on
South American Xenodontines: a
revised classification...
- only
other constituent beyond Booidea and
Pythonoidea is
Caenophidia.
While species of
Caenophidia lack spurs, the
presence and use of
spurs across Booidea...
-
sequence similarity.
Alethinophidia is
sometimes split into
Henophidia and
Caenophidia, with the
latter consisting of "colubroid"
snakes (colubrids, vipers...
- Historically,
snake venom was
believed to have
evolved once, at the base of the
Caenophidia, or
derived snakes.
Molecular studies published beginning in 2006 suggested...
-
hypothetical group called Toxicofera.
Venom has been
known in the
clades Caenophidia, Anguimorpha, and Iguania, and has been
shown to have
evolved a single...
- Bonatto, S. L. (2009). "Molecular
phylogeny of
advanced snakes (Serpentes,
Caenophidia) with an
emphasis on
South American Xenodontines: A
revised classification...
-
clade of
alethinophidian snakes comprising the
groups Henophidia and
Caenophidia,
essentially making up the
snakes people commonly ****ociate with. The...
