The southern ribbon snake(Thamnophis saurita sackenii), also known commonly as the peninsula ribbon snake and the Florida ribbon snake, is a subspecies of garter snake in the familyColubridae. It is one of four subspecies of the ribbon snake (Thamnophis saurita).
T. saurita sackenii is smaller than the other three other subspecies of T. saurita. Adults of T. s. sackenii are 16–30 in (41–76 cm) in total length (including tail). The dorsal color is greenish olive, or blackish in old specimens. It has a dorsal stripe that is vetiver green or light olive-gray bordered on either side with black, and the lateral stripes are marguerite yellow.[6]
^ abConant R, Bridges W (1939). What Snake Is That? A Field Guide to the Snakes of the United States East of the Rocky Mountains. (With 108 drawings by Edmond Malnate). New York and London: D. Appleton-Century Company. viii + 163 pp. + Plates A-C, 1-32. (Thamnophis sauritus sackenii, pp.123-124 + Plate 23, figure 69B).
^Kraus, Fred; Cameron, H. Don (2016). "A note on the proper nomenclature for the snake currently known as Thamnophis sauritus ". Herpetological Review47 (1): 74-75. (Thamnophis saurita sackenii, corrected name).
^Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN978-1-4214-0135-5. (Thamnophis sauritus sackenii, p. 197).
^Powell R, Conant R, Collins JT (2016). Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition. Boston and New York: Houghton Mifflin Harcourt. xiv + 494 pp., 47 color plates, 207 Figures. ISBN978-0-544-12997-9. (Thamnophis sauritus sackenii, p. 431 + Plate 43).
Behler JL, King FW (1979). The Audubon Society Field Guide to North American Reptiles and Amphibians. New York: Alfred A. Knopf. 743 pp., 657 color plates. ISBN0-394-50824-6. (Thamnophis sauritus sackeni, p. 673).
Conant R (1975). A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Boston: Houghton Mifflin Company. xviii + 429 pp. + Plates 1-48. ISBN0-395-19979-4 (hardcover), ISBN0-395-19977-8 (paperback). (Thamnophis sauritus sackeni, pp. 164–165 + Plate 23).
Kennicott R (1859). "Notes on Coluber calligaster of Say, and a description of new species of Serpents in the collection of the North Western University of Evanston, Ill." Proceedings of the Academy of Natural Sciences of Philadelphia11: 98-100. (Eutænia sackenii, new species, p. 98).
Schmidt KP, Davis DD (1941). Field Book of Snakes of the United States and Canada. New York: G.P. Putnam's Sons. 365 pp., 34 plates, 103 figures. (Thamnophis sauritus sackeni, pp. 255–256).
Smith HM, Brodie ED Jr (1982). Reptiles of North America: A Guide to Field Identification. New York: Golden Press. 240 pp. ISBN0-307-47009-1 (hardcover), ISBN0-307-13666-3 (paperback). (Thamnophis sauritus sackeni, p. 144).
Wright AH, Wright AA (1957). Handbook of Snakes of the United States and Canada. Ithaca and London: Comstock Publishing Associates, a Division of Cornell University Press. 1,105 pp. (in 2 volumes). (Thamnophis sauritus sackeni, pp. 831–834, Figure 241 + Map 59 on p. 767).