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by | Mar 16, 2018 | Hosta

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The ringed map turtle or ringed sawback (Graptemys oculifera) is a species of turtle in the family Emydidae endemic to the southern United States.

Geographic range

It is frequently found in the Pearl River system in Louisiana and Mississippi. It shares this range with the Pearl River map turtle (G. pearlensis).

Description

Male turtles may attain a carapace length of 10 cm (4 in). Females are larger, and may attain a carapace length of 22 cm (8.5 in). On the carapace are light-colored rings, which are thicker than the rings on Graptemys nigrinoda.[4]

References

  1. ^ van Dijk, P.P. (2011). "Graptemys oculifera". The IUCN Red List of Threatened Species. 2011. IUCN: e.T9499A97421112. doi:10.2305/IUCN.UK.2013.RLTS.T9499A12996892.en. Retrieved 24 December 2017.
  2. ^ Fritz, Uwe; Peter Havaš (2007). "Checklist of Chelonians of the World". Vertebrate Zoology. 57 (2): 188. doi:10.3897/vz.57.e30895. S2CID 87809001.
  3. ^ Smith, H.M., and E.D. Brodie Jr. 1982. Reptiles of North America: A Guide to Field Identification. Golden Press. New York. 240 pp. ISBN 0-307-13666-3 (paperback). (Graptemys oculifera, pp. 52-53.)
  4. ^ Conant, R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Houghton Mifflin. Boston. xviii + 429 pp. + 48 plates. ISBN 0-395-19979-4 (hardcover), ISBN 0-395-19977-8 (paperback). (Graptemys oculifera, p. 59 + Plate 8 + Map 17.)

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