Species: ferox (OWEN, 1871) SIMPSON, 1928
Etymology: Latin, ferox, "wild, bold."
= Triconodon ferox OWEN, 1871

Holotype: BMNH 47775

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

Horizon: Purbeckian.

Biostratigraphy:

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

Material: Left ramus slightly broken, with bases of LC and LP2 and crowns of LP3-4 and LM1-3.

Referred material:

BMNH 47765: Left ramus with LM1-3 and part of the jaw anterior to them.

BMNH 47772: Part of the right ramus with broken LP4 and LM1.

BMNH 47773: Left ramus, internal aspect, with one very badly preserved tooth.

BMNH 47774: Part of left maxilla with a broken premolar and UM2-3.

BMNH 47774a: Right ramus with LC, LP4 and LM1-3.

BMNH 47776: Right ramus, external aspect, with LM1-3.

BMNH 47777: Left ramus, external aspect, with badly broken LP4 and LM1-2 and well-preserved LM3.

BMNH 47778: Part of right maxilla with UP3-4 and UM1 and part of UM2.

BMNH 47779: Part of left maxilla with UP3-4 and UM1-2.

BMNH 47780: Fragment of right ramus, outer aspect, with LM3.

BMNH 47781: Right ramus, inter aspect, with 2 incisors, LC, LP2-3 and LM2 visible, associated left ramus, outer aspect, with LC, LP3-4 and LM2 visible, right maxilla with UM2 visible, Left maxilla with a molar visible, vertebrae and other bones mainly unidentifiable.

BMNH 47788: Fragment of right maxilla, inner aspect, with UC and UP2-4.

BMNH 47791: Fragment of right ramus, outer aspect, with broken LM2-3 and with pterygoid and masseteric crest unusually well displayed.

BMNH 48397: Left ramus without any teeth but apparently referable to this species.

BMNH 48404a: Premolar.

BMNH M10474: Right maxilla with UP4 and UM1-3.

 

CLEMENS, 1963

Locality: Durlstone Bay, approximately half-way between Peveril Point and Durlstone Head, Swanage, Dorset County, England, Southern United Kingdom.

Horizon: Purbeckian.

Biostratigraphy:

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

Material:

Sedgwick Museum No. J13141: A fragment of a right dentary containing the canine and all the postcanine dentition.

 

WOODWARD, 1912

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

Horizon: Middle Purbeckian.

Biostratigraphy:

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

Material:

BMNH: Right maxilla with teeth.

 

= Triconodon occisor OWEN, 1871
Etymology:

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

Horizon: Purbeckian.

Biostratigraphy:

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

Material: Left ramus, outer aspect with badly broken LC, LP1-4, LM1-3, associated right ramus, inner aspect, with broken LC, LP1-4 and LM1 and LM3.

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Species: major (OWEN, 1871) SIMPSON, 1928
Etymology: Latin, major, "greater."
= Triconodon major OWEN, 1871

Holotype: BMNH 40722

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

Horizon: Purbeckian.

Biostratigraphy:

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

Material: Right ramus, outer aspect, with fragmentary LP4 and LM2.
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Species: bisulcus (MARSH, 1880) SIMPSON, 1928
Etymology:
= Triconodon bisulcus MARSH, 1880

Holotype: YPM 11851

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: Lower jaw with teeth.

Referred material:

YPM 10340: A left ramus including the part anterior to the dental foramen and posterior to the middle of LP3-crown, of LM1.

YPM 10345: Fragmentary mandible with LP1-2, LP4.

YPM 13636: Fragmentary mandible with teeth.

YPM 10344: Upper left maxilla with crowns of the last premolar and first 2 molars.

YPM 2699: Fragmentary maxilla with last 2 premolars and first 2 molars.

Possibly 2 other lower jaws.

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Species: oweni SIMPSON, 1928
Etymology: In honor of Richard Owen.

Holotype: BMNH 47766

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

Horizon: Purbeckian.

Biostratigraphy:

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

Material: Right mandibular ramus, internal aspect, with entire crowns of LP2 and LM2-3, broken crown of LM1 and roots of LP1 and LP3-4.