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Reference: M. Laurin, 1991. Zool. J. Linn. Soc. 101 (1)
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Article

Laurin, M. 1991. The osteology of a Lower Permian eosuchian from Texas and a review of diapsid phylogeny. Zool. J. Linn. Soc. 101 (1): 59-95, 11 figs..

New: Original name, rank & spelling

Apsisaurus (Genus) Laurin, 1991Page: 60 ("gen. nov.").

New: Original name, rank, combination & spelling

Apsisaurus witteri (Species) Laurin, 1991Page: 60 ("sp. nov.").

New: Subsequent clade name (orig. spell.)

Araeoscelidia (Clade) Williston 1913 [Laurin 1991]Page: 83 ("Williston, 1913").
Diapsida (Clade) Osborn 1903 [Laurin 1991]Page: 83 ("Osborn, 1903").
Eosuchia (Clade) Broom 1914 [Laurin 1991]Page: 84 ("Broom, 1924").
Younginiformes (Clade) Romer 1933 [Laurin 1991]Page: 87 ("Romer, 1933").

New: Original definition [PhyloCode]

Araeoscelidia (Clade) Williston 1913 [Laurin 1991]Page: 83 ("Definition").
Diapsida (Clade) Osborn 1903 [Laurin 1991]Page: 83 ("Definition").
Eosuchia (Clade) Broom 1914 [Laurin 1991]Page: 84 ("Definition").
Younginiformes (Clade) Romer 1933 [Laurin 1991]Page: 87 ("Definition").

New: Emended definition [PhyloCode]

Archosauromorpha (Clade) Huene 1946 [Benton 1985], nom. cl. inval.Page: 90 ("Huene, 1946", "Definition"). [node-based].
Lepidosauromorpha (Clade) Benton 1983 [Benton 1985]Page: 89 ("Gauthier, Estes & de Queiroz, 1988", "Definition"). [node-based].
Neodiapsida (Clade) Benton 1985Page: 85 ("Benton, 1985", "Definition").

New: Emended diagnosis (emend.)

Araeoscelidia (Clade) Williston 1913 [Laurin 1991]Page: 83-84 ("Revised diagnosis").
Archosauromorpha (Clade) Huene 1946 [Benton 1985], nom. cl. inval.Page: 90 ("Revised diagnosis").
Diapsida (Clade) Osborn 1903 [Laurin 1991]Page: 83 ("Revised diagnosis").
Eosuchia (Clade) Broom 1914 [Laurin 1991]Page: 84-85 ("Revised diagnosis").
Lepidosauromorpha (Clade) Benton 1983 [Benton 1985]Page: 89-90 ("Revised diagnosis").
Neodiapsida (Clade) Benton 1985Page: 85-86 ("Revised diagnosis").
Sauria (Clade) McCartney 1802 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.Page: 88-89 ("Gauthier, 1984", "Revised diagnosis").
Younginiformes (Clade) Romer 1933 [Laurin 1991]Page: 87 ("Revised diagnosis").

Original Classification (root)

(Clade) Reptilia Linnaeus 1758 [Gauthier, Kluge & Rowe 1988], nom. cl. inval.

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Last updated: 1 Feb 2024