Robert Allen Thomas

Robert Allen Thomas
Loyola University New Orleans | Loyola · School of Mass Communication (Center for Environmental Communication), Department of Biological Sciences, & The Environment Program

PhD

About

80
Publications
16,093
Reads
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339
Citations
Citations since 2017
3 Research Items
114 Citations
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Introduction
I am a life-long herpetologist, tropical biologist, wetland ecologist, and an avid naturalists. Native Texan by birth and New Orleanian by choice. Undergraduate degree in Zoology at the University of Southwestern Louisiana (now University of Louisiana - Lafayette), M.S. & Ph.D. is in what is now evolutionary biology/herpetology at Texas A&M University, Taught high school for 3 years, founding Director of the Louisiana Nature Center for 16 years, and Professor, Loyola U New Orleans since 1996.
Additional affiliations
September 1996 - present
Loyola University New Orleans
Position
  • Managing Director
Description
  • vist website: www.loyno.edu/lucec
September 1996 - August 2015
Loyola University New Orleans
Position
  • Professor (Full)

Publications

Publications (80)
Article
Full-text available
The genus Thamnodynastes is the most diverse within the tribe Tachymenini, with an extensive and complex taxonomic history. The brief descriptions and lack of robust diagnostic characters are the main sources for identification errors and for the difficulty to assess the diversity estimates of the genus. The Thamnodynastes pallidus group was briefl...
Research
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How to identify venomous snakes in Trinidad & Tabago
Research
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How to identify venomous snakes and deal with their bites.
Research
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Tip for identifying venomous snakes and what to do if bitten.
Article
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We present a new use for a poorly preserved turtle specimen that teachers can easily use in demonstrating vertebrate anatomy or adaptive herpetology at the high school or college level. We give special attention to illustrating the sigmoid flexure of the neck as certain turtles withdraw their heads. This ability is anatomically and biologically imp...
Article
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O raro colubrídeo neotropical Ditaxodon taeniatus (Hensel, 1868), conhecido apenas a partir de 18 exemplares, incluindo o holótipo (desaparecido), é redescrito, levandose em consideração as variações encontradas, e um neótipo é designado. A distribuição geográfica de D. taeniatus é aparentemente descontínua, contando com registros para os estados b...
Article
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Two new species of Thamnodynastes whose ranges are entirely or largely in Brazil are described. Thamnodynastes pallidus, one of the most easily identified species of the genus, is redefined and a neotype is designated, and Coluber strigilis Thunberg is placed in its synonymy, thus clarifying an enduring state of confusion in the taxonomy of this ge...
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Three new species of the snake genus Thamnodynastes are described from northern South America: T. ceibae from the Lake Maracaibo Basin of Venezuela, T. dixoni from the Llanos of Colombia and Venezuela, and T. paraguanae from the coastal areas of the Guajira Peninsula of Colombia from the northern Lake Maracaibo Basin and Paraguaná Peninsula of Vene...
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My dad and I were close. We had a great father-son relationship and we were friends. I lost him some years ago. I knew I would be sad, but I didn't know how his being gone would affect me and also how I would later relate to my children. At first, I went through the usual male reaction. For the first time, I realized my own mortality. I assume he w...
Article
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THOMAS R.A. & INEICH I., 1999 - The identity of the syntypes of Dryophylax freminvillei with comments on their locality data. Journal of Herpetology, 33(1): 152-155.
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Three hundred thirty-seven preserved specimens of the corn snake Elaphe guttata from Texas, six from Arkansas, 51 from Louisiana and 20 from Missouri were examined and assigned to one of three subspecies. Based upon the number of dorsal body and tail blotches, the number of ventrals and subcaudals, the degree of ventral pigmentation and the presenc...
Chapter
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A new species of colubrid snake, Liophis atraventer, is described from rainforest.-from Authors
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The Houston toad, Bufo houstonensis Sanders, has an extremely restricted range in southeastern Texas, being known historically from 6 counties with viable populations remaining in only 2, Due to its relative rarity and federally protected status as an endangered species, its parasites have received attention only once. Harwood (1932, Proc. U.S. Nat...
Article
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The distribution of cyclo (His-Pro)-like immunoreactivity in frog skins from seven frog species was examined. The chromatographic elution profile of cyclo (His-Pro)-like immunoreactivity in amphibian skins measured by radioimmunoassay corresponded precisely to that of [3H-Pro]-cyclo (His-Pro) after DEAE-Cellulose, Sephadex G-25 and high-pressure li...
Article
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South American Alsophis are referred to the genus Philodryas. Leimadophis simonsi is returned to Philodryas and Alsophis angustilineatus, A. inca, and Incaspis cercostropha are placed in its synonymy.
Article
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The history and systematic status of the scalaris group of the iguanid lizard genus Sceloporus has been re-evaluated. Sceloporus jalapae has been removed and tentatively placed in a separate group with S. ochoterenae (formerly in the siniferus group). An analysis of meristic, mensural, and pattern data led to the conclusion that both S. aeneus and...

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Projects

Projects (2)
Project
New species of Thamnodynastes and overview of Philodryas and related genera.