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David M. Sever

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David M. Sever
Born
Canton, Ohio
NationalityAmerican
Alma materOhio University, Tulane University
Scientific career
FieldsBiology
InstitutionsSoutheastern Louisiana University, Saint Mary's College (Indiana)

David M. Sever is an American herpetologist, histologist, anatomist and reproductive biologist. He has been a professor and department head in the Department of Biological Sciences at Southeastern Louisiana University since 2004, and held the Kenneth Dyson Endowed Professorship in Biological Sciences from 2012 to 2015. He is well known for over 30 years of research on the secondary sexual characteristics of salamanders and more generally on comparative histoanatomy of the urogenital systems of vertebrates.[1] and was recognized as the 2013 Distinguished Herpetologist of the Year by the Herpetologists' League.[2][3]

Early life

A native of Canton, Ohio, Sever was interested in dinosaurs at an early age, but, "You couldn't find dinosaurs, but you could find lizards and turtles, things that looked like dinosaurs."[3] His early exposure to herpetology came from the Boy Scouts, and he is an Eagle Scout.[3]

Academic career

Sever earned his Ph.D. from Tulane University in 1974 where he studied the secondary sexual characters of plethodontid salamanders under Harold A. Dundee.[4] He worked at his first academic post at Saint Mary's College (Indiana) from 1974 to 2004, serving as chair from 1980 to 1989.[3][5] He has been the Department Head of Biological Sciences at Southeastern Louisiana University since 2004.[3]

Research

Stanley E. Trauth, in his capacity as president of the Herpetologist's League, stated that Sever's research contributions were why he was chosen. "Early in his studies, Dave's histological research focused primarily on salamander cloacal anatomy and, specifically, the spermatheca or sperm storage structure in these animals," said Trauth. "His numerous papers on these structures have dominated the international literature on this subject for decades," and "I consider Dave to be today's world leading authority on vertebrate reproductive histology". "He is without question the foremost histo-herpetologist that has ever lived."[3] Sever discovered and described the plethodontid Junaluska salamander (Eurycea junaluska), which lives in the southern Appalachian Mountains.

Selected bibliography

Sever is the author of over 150 books, articles and volumes in over 100 different outlets.[3][5] According to Google Scholar, he has an h-index of 23.[6]

Edited books

  • Sever, D. M., editor. 2003. Reproductive Biology and Phylogeny of Urodela. Science Publishers, Inc., Enfield, NH. 627 pp.
  • Aldridge, R. D. and Sever, D. M., editors. 2011. Reproductive Biology and Phylogeny of Snakes. CRC Press, Boca Raton, FL. 759 pp.

Peer-reviewed articles

  • Sever, D. M. and Siegel, D. S. 2015. Histology and ultrastructure of the caudal courtship glands of the Red-Backed Salamander, Plethodon cinereus (Amphibia: Plethodontidae). Journal of Morphology 276:319-330.
  • Rheubert, J. L., Sever, D. M., Siegel, D. S., Trauth, S. E. 2015. Male reproductive anatomy: The gonads, gonadoducts, sexual segment of the kidney, and cloaca. pp. 253–301. In: Rheubert, J. L., Siegel, D. S. and Trauth, S. E. (eds), Reproductive Biology and Phylogeny of Lizards. CRC Press, Boca Raton, FL.
  • Siegel, D. S., Miralles, A., Rheubert, J. L., Sever, D. M. 2015. Female reproductive anatomy: cloaca, oviduct, and sperm storage. pp. 144–195. In: Rheubert, J. L., Siegel, D. S. and Trauth, S. E. (eds), Reproductive Biology and Phylogeny of Lizards. CRC Press, Boca Raton, FL.
  • 143. Rheubert, J. L., Cree, A., Downs, M., and D. M. Sever. 2013. Reproductive morphology of the male Tuatara, Sphenodon punctatus. Acta Zoologica 94:454-461.
  • 142. Sever, D. M. 2013. Cloacae, cloacal glands and female sperm storage in giant salamanders. pp 1–40 In: O. P. Jenkins (ed), Advances in Zoology Research, Vol. 5, Nova Science Publishers, Inc., NY.
  • Sever, D. M., Rheubert, J. L., Hill, T. A., and D. S. Siegel. 2013. Observations on variation in the ultrastructure of the proximal testicular ducts of the Ground Skink, Scincella lateralis (Reptilia: Squamata). Journal of Morphology 274:429-446.
  • Sever, D. M., Rheubert, J. L., Gautreaux, J., Hill, T. G., and L. R. Freeborn. 2012. Observations on the sexual segment of the kidney of snakes with emphasis on ultrastructure in the Yellow-Bellied Sea Snake, Pelamis platurus. Anatomical Record 295:872-885.
  • Trauth, S. E. and D. M. Sever. 2011. Male urogenital ducts and cloacal anatomy. In Aldridge, R. D. and D. M. Sever (eds.), Reproductive Biology and Phylogeny of Snakes. CRC Press, Boca Raton, FL. pp. 411–475.
  • Sever, D. M. and N. L. Staub. 2010. Horomones, Sex Accessory Structures, and Secondary Sexual Characteristics in Amphibians. Chapter 5 in D. O. Norris and K. H. Lopez (eds.), Horomones and Reproduction of Vertebrates, vol. 2, pp. 83–98. Elsiever, Academic Press, NY.
  • Eckstut, M. E., D. M. Sever, M. E. White, and B. I. Crother. 2009. Phylogenetic analysis of sperm storage in female squamates. In: Animal Reproduction: New Research Developments, L. T. Dahnof (ed). Nova Science Publishers, Inc., Hauppauge, NY. pp. 185–218.
  • Sever, D. M. 2007. Reproductive Biology and Phylogeny of Gymnophiona (Caecilians). Reproductive Biology and Phylogeny Series, Volume 5. Quarterly Review of Biology 82:160 (book review).
  • Hamlett, W.C., D. P. Knight, F.T.V. Pereira, J. Steele, and D. M. Sever. 2005. Oviducal glands in Chondrichthyans. pp 301–335 In W. C. Hamlett (ed), Reproductive Biology and Phylogeny of Chondrichthyes Sharks, Batoids and Chimaeras. Reproductive Biology and Phylogeny Vol. 3, Science Publishers, Inc., Enfield, NH.
  • Ryan, T. J., and D. M. Sever. 2005. Eurycea junaluska, Junaluska Salamander. pp. 745–746. In Lannoo, M. J. (Ed.). Amphibian Declines. The Conservation Status of United States Species. University of California Press, Berkeley, California. 1094 pp.
  • Sever, D. M. and W. C. Hamlett. 2003. Sperm storage in the class Reptilia. pp. 439–446. In Legakis, A., Sfenthourakis, S., Polymeni, R., and M. Thessalou-Legaki (eds), The New Panorama of Animal Evolution. Pensoft Publishers, Sofia-Moscow.
  • Sever, D. M., Rania, L. C., and R. Brizzi. 2003. Sperm storage in the class Amphibia. pp. 431–438 In Legakis, A., Sfenthourakis, S., Polymeni, R., and M. Thessalou-Legaki (eds), The New Panorama of Animal Evolution. Pensoft Publishers, Sofia-Moscow.
  • Sever, D. M. 2002. Female sperm storage in amphibians. J. Exper. Zool. 292:165–179.
  • Sever, D. M., and W. C. Hamlett. 2002. Female sperm storage in reptiles. J. Exper. Zool. 292:187–199.
  • Sever, D. M. 1992e. Comparative anatomy and phylogeny of the cloacae of salamanders (Amphibia: Caudata). VI. Ambystomatidae and Dicamptodontidae. J. Morphol. 212:305–322.
  • Sever, D. M. 1983b. Eurycea junaluska. Cat. Amer. Amphib. Rept. 321.1--2.
  • Sever, D. M. 1984. The discovery of Eurycea junaluska. Bull. Chicago Herpetol. Soc. 19:75–84.

References

  1. ^ "Dr. David Sever". southeastern.edu.
  2. ^ "The Herpetologists' League". herpetologistsleague.org.
  3. ^ a b c d e f g "Biology professor receives high honors". lionsroarnews.
  4. ^ Adler, Kraig, ed. (2012). Contributions to the History of Herpetology. Volume 3. Vancouver, British Columbia: Society for the Study of Amphibians and Reptiles. ISBN 9780916984823.
  5. ^ a b "CURRICULUM VITAE -- DAVID MICHAEL SEVER". southeastern.edu.
  6. ^ "David M. Sever". Google Scholar.
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