Genus: Scalenodon CROMPTON, 1955
Etymology: Greek, skalenos, “unlike, unequal”, Greek, odon, “tooth’: Unequal tooth.

Species: angustifrons (PARRINGTON, 1946) CROMPTON, 1955
Etymology:
= Trirachodon angustifrons PARRINGTON, 1946

Holotype: MCZ 120B

Locality: Locality B29 between Gingama and Tschikonge, Ruhuhu Valley, Tanganyika, East Africa.

Horizon: Upper bone-bearing series.

Biostratigraphy:

Age: Middle Triassic.

Material: Skull.

Referred material:

CROMPTON, 1955

MCZ 120A, 111B: Fragmentary mandibles.

MCZ 110A: Mandible.

MCZ 134B, 112B: Fragment of left maxillae.

MCZ 111C: Fragment of right maxilla.

MCZ 131: Right maxilla.

MCZ 129A: Fragmentary mandible.

MCZ 113D: Badly crushed snout.

MCZ 112C: Fragmentary maxilla.

 


BRINK, 1986/KEYSER, 1973

Locality: Etjo mountain, Kalkfeld, Namibia.

Horizon: Omingonde Formation.

Biostratigraphy:

Age: Middle Triassic.

Material:

GSO R327: Small skull, complete with lower jaw occlued and some postcranial elements.

GSO R569: Medium-sized skull with lower jaw partially occluded and some postcranial elements.

GSO R570: Medium sized snout, not teeth, badly preserved.

GSO R571: Medium sized right posterior portion of skull.

GSO R572: Large skull, distorted, with dislocated lower jaw, all upper teeth missing and some postcranial elements.

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Species: attridegi CROMPTON, 1972
Etymology:

Holotype:

Locality:

Horizon:

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Species: charigi CROMPTON, 1972
Etymology:

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Species: hirschsoni CROMPTON, 1972
Etymology:

Holotype:

Locality:

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Species: boreus TATARINOV, 1973
Etymology:

Holotype: PIN 2973/1

Locality: Karagachka, right side of Karagatschka River, opposite of Karagachka village (drainage basin of left bank of the Ural River), Akbulakska Region, Sol’Iletsk district, Orenburg Region (Orenburgskaya Oblast), southern European Russia.

Horizon: Lower part of Donguz Svita, Donguz Gorizont.

Biostratigraphy:

Age: Anisian Stage, Lower Mid Triassic Epoch, Middle Triassic.

Material: Left upper postcanine tooth.