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Conlinoceras tarrantense

Geological Range

Conlinoceras tarrantense Zone: Middle Cenomanian 95.73 ± 0.61

Paleogeographic Distribution

Texas to New Mexico

Remarks

Original presentation: Metacalycoceras (?) tarrantense

Original publication. Adkins. 1928. [p. 241-242, pl. 28, fig. 3, pl. 29, fig. 1].

Holotype: TMM 2424 (UT Collection).

Type locality: “Two miles east of Tarrant station” (Adkins, 1928, p 242).

Type horizon: Tarrant Formation (Kennedy and Cobban, 1990).

Other specimens: USNM 420232-420252.

Zonation: Conlinoceras tarrantense zone = Middle Cenomanian (95.73 +/- 0.61 Ma; Cobban et al., 2006).

PaleoDB taxon number: 340916.

Synonyms: Acanthoceras wintoni Adkins, 1928 (source: Kennedy and Cobban, 1990a); Acanthoceras adkinsi Stephenson, 1973 (source: Kennedy and Cobban, 1990a).

References: Kennedy and Cobban (1990).

Stratigraphic Occurrences

Cenomanian
Conlinoceras tarrantense zone
Dakota Sandstone (Oak Canyon Member) (NM)
Dakota Sandstone (Cubero Tongue) (NM)
Eagle Ford Group (TX)
Tarrant Formation (TX)
Woodbine Formation (Lewisville Member) (TX)
Holotype of <i>Conlinoceras tarrantense</i> (BEG 34189).
Holotype of Conlinoceras tarrantense (BEG 34189).
Specimens of <i>Conlinoceras tarrantense</i>. See original caption for additional details. Image modified from text-figs 15-17 in Kennedy and Cobban (1990a in <i>Palaeontology</i>), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimens of Conlinoceras tarrantense. See original caption for additional details. Image modified from text-figs 15-17 in Kennedy and Cobban (1990a in Palaeontology), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimens of <i>Conlinoceras tarrantense</i>. See original caption for additional details. Image modified from pl. 7 in Kennedy and Cobban (1990a in <i>Palaeontology</i>), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimens of Conlinoceras tarrantense. See original caption for additional details. Image modified from pl. 7 in Kennedy and Cobban (1990a in Palaeontology), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimens of <i>Conlinoceras tarrantense</i>. See original caption for additional details. Image modified from pl. 6, figs 7-12 in Kennedy and Cobban (1990a in <i>Palaeontology</i>), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimens of Conlinoceras tarrantense. See original caption for additional details. Image modified from pl. 6, figs 7-12 in Kennedy and Cobban (1990a in Palaeontology), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimens of <i>Conlinoceras tarrantense</i>. See original caption for additional details. Image modified from pl. 5 in Kennedy and Cobban (1990a in <i>Palaeontology</i>), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Specimens of Conlinoceras tarrantense. See original caption for additional details. Image modified from pl. 5 in Kennedy and Cobban (1990a in Palaeontology), made available through Biodiversity Heritage Library via a CC BY-NC-SA 4.0 license.
Stratigraphic position unknown
Stratigraphic position unknown