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Current Taxonomic Status of Late Cretaceous Ammonoid Species from the Western Interior Seaway Assigned to the Family Turrilitidae (Ancyloceratina: Turrilitaceae)

Jonathan R. Hendricks

Paleontological Research Institution, Ithaca, New York

Note: Names in green are accepted; names in red are synonyms. Return to main list here. This page was last updated June 22, 2017.

Class Cephalopoda

Order Ammonoidea Zittel, 1884

Suborder Ancyloceratina Wiedmann, 1966

Duration: Lower Tithonian to Upper Maastrichtian (Source: Wright et al., 1996).

Superfamily Turrilitaceae Gill, 1871

Duration: Lower Albian to Upper Maastrichtian (Source: Wright et al., 1996).

Family Turrilitidae Gill, 1871

Duration: Middle Albian to Upper Cenomanian (Source: Wright et al., 1996).

PaleoDB taxon number: 95378.

Genus Mariella Nowak, 1916

Type species: Turrilites bergri Brongniart in Cuvier and Brongniart, 1822

Duration: Upper Albian to Lower Cenomanian (source: Wright et al., 1996).

PaleoDB taxon number: 130852.

Mariella davisense (Young, 1958)

Original presentation: Ostlingoceras davisense

Original publication: Young. 1958. [p. 289, pl. 39, figs 29, 34].

Holotype: TMM 10286.

Type locality: Jeff Davis County, Texas (Kennedy and Cobban, 1990a).

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

WIS occurrences:

Cenomanian: Boquillas Formation (TX) (Kennedy and Cobban, 1990a).

Cenomanian: Pepper Shale (TX) (Kennedy and Cobban, 1990a).

Zonation: Forbesicers brundrettei zone (Kennedy and Cobban, 1990a).

PaleoDB taxon number: 145626.

Synonyms: Ostlingoceras davisense Young, 1958 (source: Kennedy and Cobban, 1990a).

References: Kennedy and Cobban (1990a); Kennedy and Cobban (1993).

Genus Ostlingoceras Hyatt, 1900

Type species: Turrilites puzosianus d’Orbigny, 1842

Duration: Middle Albian to Lower Cenomanian (Source: Wright et al., 1996)

PaleoDB taxon number: 15293.

Ostlingoceras brandi Young, 1958

Original presentation: Ostlingoceras brandi

Original publication: Young. 1958. [p. 287, pl. 40, figs 4, 5, 7, text-fig 1n].

Holotype: TMM 10281.

Type locality: Jeff Davis County, Texas (Kennedy and Cobban, 1990a).

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

WIS occurrences:

Cenomanian: Boquillas Formation (TX) (Kennedy and Cobban, 1990a).

Cenomanian: Pepper Shale (TX) (Kennedy and Cobban, 1990a).

Zonation: Forbesiceras brundrettei zone (Kennedy and Cobban, 1990a).

PaleoDB taxon number: 145625.

Reference: Kennedy and Cobban (1990a).

Ostlingoceras davisense Young, 1958 = Mariella davisense (Young, 1958)

Reason for equivalency: moved to different genus (Kennedy and Cobban, 1993).

Genus Turrilites Lamarck, 1801

Type species: Turrilites costatus Lamarck, 1801

Duration: Cenomanian (source: Wright et al., 1996).

PaleoDB taxon number: 15770.

Synonyms: Euturrilites Breistroffer, 1953 (source: Kennedy and Cobban, 1990a); Turbinites Dubourdieu, 1953 (source: Kennedy and Cobban, 1990a).

Turrilites acutus Passy, 1832

Original presentation: Turrilites acutus

Original publication: Passy. 1832. [p. 334, pl. 16, figs 3, 4].

Lectotype: “The original of Passy (1832, pl. 16, fig. 3) designated by Juignet and Kennedy (1976, p. 65)” (Kennedy and Cobban, 1990a, p. 145).

Type locality: Rouen, Seine-Maritime, France (Kennedy and Cobban, 1990a).

Type horizon: “middle Cenomanian Rouen Fossil Bed of Côte Ste Catherine” (Kennedy and Cobban, 1990a, p. 145).

Other specimens: USNM 420301-420313, OUM KT 2058.

WIS occurrences:

Cenomanian: Eagle Ford Group (basal) (TX) (Kennedy and Cobban, 1990a).

Cenomanian: Lake Waco Formation (Bluebonnet Member) (TX) (Kennedy and Cobban, 1990a).

Cenomanian: Acanthoceras amphibolum zone (NM) (Kennedy and Cobban, 1990a).

Cenomanian: Acanthoceras amphibolum zone (CO) (Kennedy and Cobban, 1990a).

Cenomanian: Acanthoceras bellense zone (NM) (Kennedy and Cobban, 1990a).

Cenomanian: Acanthoceras bellense zone (CO) (Kennedy and Cobban, 1990a).

Other occurrences: “western and eastern Europe, the USSR, North Africa, Nigeria, Angola, Zululand, Madagascar and Mozambique” (Kennedy and Cobban, 1990a, p. 146).

Zonation: Acanthoceras amphibolum zone (Kennedy and Cobban, 1990a); Acanthoceras bellense zone (Kennedy and Cobban, 1990a).

PaleoDB taxon number: 130558.

Reference: Kennedy and Cobban (1990a).

Turrilites dearingi Stephenson, 1953

Original presentation: Turrilites dearingi

Original publication. Stephenson. 1953. [p. 197, pl. 44, figs 6-8].

Holotype: USNM 105956.

Type locality: USGS locality 20788, Tarrant County, Texas (Kennedy and Cobban, 1990a).

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

Other specimens: JPC 4134, USNM 420136, casts USNM 420314-420315, OUM KT 6106-6107.

WIS occurrences:

Cenomanian: Tarrant Formation (TX) (Kennedy and Cobban, 1990a).

Zonation: Conlinoceras tarrantense zone (Kennedy and Cobban, 1990a).

PaleoDB taxon number: not in database.

Reference: Kennedy and Cobban (1990a).