Elgaria sp.—Alligator Lizards // Elgaria kingii—Madrean Alligator Lizard // Elgaria multicarinata—Southern Alligator Lizard
The Anguidae include three current genera in North America.
Late Blancan/Irvingtonian: Anza-Borrego Desert (Gensler et al. 2006).
Rancholabrean: Cool Water Coal Gasification Solid Waste Site (Jefferson 1991a).
Sangamon: Naval Housing Unit (Jefferson 1991a).
Wisconsin: Glen Abbey (Majors 1993: cf. gen.).
Mid/Late Wisconsin: Diamond Valley (Springer et al. 2009).
Late Wisconsin/Holocene: Solar One (Jefferson 1991a).
Literature. Gensler et al. 2006; Jefferson 1991a; Majors 1993; Springer et al. 2009.
Synonyms. Gerrhonotus kingii.
Van Devender and Worthington (1977) reported the Madrean Alligator Lizard as a fossil from Howell's Ridge Cave and also as occurring at present in a nearby wash. Most modern occurrences, however, were said to be in somewhat more mesic, montane situations.
Fig. 1. Madrean Alligator Lizard (Elgaria kingii). Photograph by Carl S. Lieb.
Late Wisconsin/Holocene: Howell's Ridge Cave (Van Devender and Worthington 1977).
Literature. Van Devender and Worthington 1977.
Synonyms. Gerrhonotus multicarinatus.
The current range includes much of southern California.
?Late Irvingtonian/Rancholabrean: Emery Borrow Pit (Jefferson 1991a).
Mid/Late Wisconsin: Rancho La Brea (Brattstrom 1953); San Miguel Island (Guthrie 1993).
Late Wisconsin: Maricopa (Jefferson 1991a)
Literature. Brattstrom 1953; Guthrie 1993; Jefferson 1991a.
Last Update: 16 May 2014