sphenacodontian

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noun

Any synapsid of the clade Sphenacodontia.

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Meanings

nounsphenacodontian (plural sphenacodontians)

plural sphenacodontians

  1. biologyAny synapsid of the clade Sphenacodontia.

    The keel of the angular does have the deep form characteristic of the group, but it is not reflected laterally as occurs in other sphenacodontians.

    2005, Thomas Stainforth Kemp, The Origin and Evolution of Mammals, page 26
Cite this entry
APA

sphenacodontian. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sphenacodontian

MLA

“sphenacodontian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sphenacodontian. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sphenacodontian,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sphenacodontian.

Source: sphenacodontian on Wiktionary, CC BY-SA 4.0.