Genus: Triconodon OWEN, 1859
Etymology: Greek, tri-, “three”, Greek, konos, “cone” and Greek, odon, “tooth”: Three coned tooth.
= Galestes GORE, 1874
Etymology:
= Triacanthodon OWEN 1871
Etymology: Greek, treis, “three”, Greek, akantha, “spine” and Greek, odon, “tooth”: Three spine tooth.

Species: mordax OWEN, 1859
Etymology:

Holotype: BMNH 47764

Locality: Durdlestone Bay, Swanage, Dorset County, England, Southern United Kingdom.

Horizon: Middle Purbeckian.

Biostratigraphy:

Age: Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: Left mandibular ramus, nearly complete, seen in external aspect with crowns of LC, CP2, LP4 and LM1-3.

Referred material:

BMNH 47767: Broken right mandibular ramus with LP1, LP4 and LM1.

BMNH 47768: Broken right ramus with LP4 and Parts of LP3 and LM1-2.

BMNH 47784: Part of right maxilla with UM2-3.

BMNH 47789: Matrix impression of internal aspect of right ramus with LP4 and LM1-3.

BMNH 47790: Matrix impression of external aspect of left ramus with LP4 and LM1-3.

BMNH 47793a: Fragment of left ramus with LM3.

BMNH 47794: Fragment of right ramus with 2 broken premolars.

BMNH 47796: Part of right maxilla with UM3-4.

BMNH 47806: Fragment of right mandibular ramus with LC, LP3-4 and LM1-4.

BMNH 48396: Part of right maxilla with UM3-4.

BMNH M79: Cast of the specimen in the Museum of Practical geology.

BMNH M3705: Cast of same specimen before complete development.

Museum of Practical Geology, London: Right mandibular ramus with LP3-4 and LM1-4.

 


= Triconodon minor OWEN, 1871
Etymology:

Holotype: BMNH 47771

Locality: Durdlestone Bay, Swanage, Dorset County, England, Southern United Kingdom.

Horizon: Middle Purbeckian.

Biostratigraphy:

Age: Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: Broken right ramus with LM1-3.

 


= Triacanthodon serrula OWEN, 1871
Etymology:

Holotype: BMNH 47763

Locality: Durdlestone Bay, Swanage, Dorset County, England, Southern United Kingdom.

Horizon: Middle Purbeckian.

Biostratigraphy:

Age: Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: 2 slabs of matrix, A with the posterior end of the left mandibular ramus with the unerupted LM4, in internal aspect, the right parietal and natural internal cast of the left, the basisphenoid, a small piece of the lateral portion of the left frontal, and some unidentifiable fragments. B, with the anterior part of the left mandibular ramus with LI4, dc, LC, LP1-4, dm4, and LM1-2 in external aspect, most of the right frontal, right and left periotics, the atlas, a limb bone and unidentifiable fragments.

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Species: averianovi JÄGER, CIFELLI & MARTIN, 2020
Etymology: In honor of Alexander O. Averianov, in recognition of his substantial contributions to the research of Mesozoic Mammals.

Holotype: NHMUK PV OR 48395

Locality: Durdlestone Bay, Swanage, Dorset County, England, Southern United Kingdom.

Horizon: Middle Purbeckian.

Biostratigraphy:

Age: Tithonian Stage, Upper Malm Epoch, Late Jurassic.

Material: Left and right mandibular rami. left ramus with canine, assoicated p1 (?), fragmetnary p2 and p3, p4, m1-m3 and erupting m4. Right ramus with isoalted canine, rots of p4, compltet m1-m3, and rooths of m4.