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).