纲：爬虫纲

目：有鳞目

亚目：蛇亚目

科：游蛇科

属：颈环蛇属

学名为Diadophis punctatus

有14个亚种

* D. p. acricus (Paulson, 1966) — Key Ringneck Snake

* D. p. amabilis (Baird & Girard, 1853) — Pacific Ringneck Snake

* D. p. anthonyi (Van Denburgh & Slevin, 1942) — Todos Santos Island Ringneck Snake

* D. p. arnyi (Kennicott, 1859) — Prairie Ringneck Snake

* D. p. dugesii (Villada, 1875) — Michoacan Ringneck Snake

* D. p. edwardsii (Merrem, 1820) — Northern Ringneck Snake

* D. p. modestus (Bocourt, 1866) — San Bernardino Ringneck Snake

* D. p. occidentalis (Blanchard, 1923) — Northwestern Ringneck Snake

* D. p. pulchellus (Baird & Girard, 1853) — Coralbelly Ringneck Snake

* D. p. punctatus (Linnaeus, 1766) — Southern Ringneck Snake

* D. p. regalis (Baird & Girard, 1853) — Regal Ringneck Snake

* D. p. similis (Blanchard, 1923) — San Diego Ringneck Snake

* D. p. stictogenys (Cope, 1860) — Mississippi Ringneck Snake

* D. p. vandenburghii (Blanchard, 1923) — Monterey Ringneck Snake