If the lizard you want to

Different breeds of Lizards


The tables below give you an idea how many species* of reptiles are known. More than a 100 species have been described in each of the previous years and therefore the real number changes continuously. See The original descriptions of reptiles for a historical analysis. Note that currently 1085 reptile species have a total of 2516 subspecies. Some authors reject the idea of subspecies and either synonymize them with their parent species or consider them as valid species (e.g. Wallach et al. 2014, Snakes of the World).

Species Numbers by Higher Taxa:

Amphisbaenia (amphisbaenians)

168

181

184

188

193

Sauria (lizards)

5, 079

5, 461

5, 634

5, 796

5, 987

6145

Serpentes (snakes)

3, 149

3, 315

3, 378

3, 432

3, 496

3567

Testudines (turtles)

313

317

327

328

341

Crocodylia (crocodiles)

23

24

25

Rhynchocephalia (tuataras)

Reptile species total

8, 734

9, 300

9, 547

9, 766

10, 038

10, 272

Species Numbers by Family or geographic region:

* What exactly is a "species"? A species may contain many individuals of different appearance ("variations") but as long as they interbreed they can exchange genetic information and therefore form a genetic continuum. This biological species concept is increasingly challenged by the "evolutionary species concept" which rather considers populations of very similar specimens as species. As a result, many subspecies have been raised to "full species" status and therefore the number of species increases just because of that.

BACK to the REPTILE DATABASE Home Page This page is maintained by Peter Uetz. Last updated: 26 Aug 2015
Source: www.reptile-database.org

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