last update: globalnames score not available match type not available. author_text: (Tschudi, ) display_name: Alsophis elegans. Expert(s). Expert: Notes: Reference for: Other Source(s). Source: Snake Species of the World, vol. undetermined, manuscript (version ). Acquired: Cryptocercus matilei Grandcolas, in GBIF Secretariat (). GBIF Backbone Taxonomy. Checklist dataset accessed via.

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Taxon Term is the data value of either a classification term “Animalia” or classification metadata such as name authors. DNA extraction, amplification and sequencing DNA was extracted from scales, blood, liver or shed skins, following specific protocols for each eleganns Bricker et al. Bibliotheques et Muses de la Ville de Neuchatel, Phylogenetic relationships of elapid snakes based on cytochrome b mtDNA sequences.

Alsophis elegans (Tschudi, 1845)

This question must be resolved with further research. Several recent studies have addressed the classification of caenophidians based on molecular studies reviewed in the Introduction. These regions were used to split both sequences 12S and 16S into six fragments, each of them comprising approximately base pairs and acting as regions of homology constraint for the alignment search.

Since there seems to be no compelling evidence that would support an wlsophis position of Grayia within Colubroidea, we here refrain to include the genus in a separate subfamily and place it in Colubridae incertae sedis. Species and generic level taxonomy of pseudoxyrhophids needs more research. The identity of the syntypes of Dryophylax alslphis with comments on their locality data.

The genera Pseudablables and Xenoxybelis are found nested within Philodryas and are thus synonymized here with the latter in order to retrieve a monophyletic group. Reptilien und Batrachier aus Peru und Bolivien.

In any case, we note that there is evidence from the present study and from the immunological comparisons of Cadle a,b,c for three major clades within the Dipsadidae as we conceive it, namely a North American clade, a Dipsadinae clade, and a Xenodontinae clade see also Pinou et al.

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Nucleic Acids Research, The Galapagos species are presently under study and will be dealt in more detail elsewhere.

A new genus for South American snakes related to Rhadinaea obtusa Cope Colubridae and resurrection of Taeniophallus Cope for the “Rhadinaea” brevirostris group. We disagree with portions of the taxonomies used in some of these studies and here comment elegan the nature of our disagreements, and why we do not use a few previously named taxa in our classification.

Alsophis elegans – Serpiente corredora elegante -Elegant racer –

Phylogenetic relationships of colubroid snakes based on mitochondrial DNA sequences. However, similarly to our reasoning above for the recognized tribes, we decided to allocate these two genera in separate tribes because they do not share any known morphological synapomorphy. South American snakes related to Lygophis boursieri: We do not have a clear explanation for this frame-shift mutation, because the first deletion inserts a stop codon at position AA sequenceprobably disabling the c-mos protein.

Reduction or loss of ornamentation on the asulcate and medial surfaces of the hemipenial lobes; papillate ridge on medial surface of hemipenial lobes in a lateral-to-medial orientation from elegnas to distal, alsoophis confluent proximally with the enlarged lateral spines Zaher, Multiple colonization of Madagascar and Socotra by colubrid snakes: Hemipenes unilobed or with strongly reduced bilobation; hemipenes unicapitate; sulcus spermaticus dividing distally, either at the base of, or within, the capitulum Myers, ; Cadle, b; Zaher, Synopsis of the cold blooded Vertebrata, procured by Prof.

Arrhyton callilaemum Gosse, The clustal windows interface: Biological Journal of the Linnean Society Antillophis Maglio, Type-species: Animalia kingdom [ more like this term ] [ including rank ] [ from this source ] Chordata phylum [ more like this term ] [ including rank ] [ from this source ] Reptilia class [ more like this term ] [ including rank ] [ from this source ] Squamata order [ more like this term ] [ including rank ] [ from this source ] Colubridae family [ more like this term ] [ including rank ] [ from this source ] Pseudalsophis genus [ more like this term ] [ including rank ] [ from this source ] Pseudalsophis elegans species [ more like this term ] [ including rank ] [ from this source ] Data from source ITIS [ Classifications ] [ Top ] last update: Pseudoeryx, Hydrops y Helicops.

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Bulletin of the Antivenin Institute of America, 2: Comments on the revival of the colubrid snake subfamily Heterodontinae. This clade is supported by a single putative morphological synapomorphy: Until a well-supported phylogeny is obtained, we recommend against recognizing Hoser’s new taxonomy. Snakes of the genera Diaphorolepis and Synophis and the colubrid subfamily Xenoderminae. The present analysis suggests that Pseudoeryx and Hydrops represent two successive outgroups to Helicops.

Expanded vertebral zygapophyses and neural spines have appeared convergently among dipsadids e.

ADW: Alsophis elegans: CLASSIFICATION

Oral glands of the reptilia. Hemipenis slightly bilobed, noncapitate, and bicalyculate or semicalyculate; lobes with spinulate calyces distally and spinulate flounces proximally Zaher, Litteratura Serpentium, English Edition 4: Alsophis has included a large assemblage in the West Indies, one species in mainland western South America, and several species in the Galapagos Islands Maglio, ; Thomas, See Comments under Pseudoboini.

Within Clade 5, viperids and homalopsines are successive sister taxa to all other caenophidians Clade 9. Systematics Association Special, v. Data Providers Report a bug or request support View in mobile site. We thank Daniel Kieling, Roberta G.

Form, Function, and Evolution in Tetrapod Vertebrates. Ronald Heyer, Roy W.

Alsophis – Wikispecies

Serpentes suborder [ more like alsohpis term ] [ including rank ] [ from this source ]. Frontals and sphenoid forming ventral border of the optic foramen excluding entirely, or nearly so, the parietals ; hemipenial body nude; hemipenial body bearing a pair of longitudinal ridges Zaher, Snakes, the evolution of mystery in nature.

A review of the origin of snakes. For this reason, we erect a new genus to accommodate Liophis amarali.