Genus: Marmoretta EVANS, 1991
Etymology:

Species: oxoniensis EVANS, 1991
Etymology:

Holotype: BMNH R12020

Locality: Old Cement Works Quarry, (Washford Quarry), Kirtlington, Ordnance Survey Grid Reference SP 495200, Oxford County, England,

Horizon: Kirtlington Mammal bed, near base of the Forest Marble.

Biostratigraphy: Oppelia aspidioides Zone.

Age: Upper Bathonian Stage, Middle Dogger Epoch, Middle Jurassic.

Material: Anterior region of a right maxilla.

Paratypes. A series of maxillae which complement the holotype, BMNH R12025, a left maxilla, BMNH R12026: Left maxilla, BMNH R12027: A left maxilla. BMNH R12028: Left maxilla.

Referred material:

BMNH R12022: Left premaxilla.

BMNH R12023: Nasal process of a left premaxilla.

BMNH R12024: Left premaxilla.

BMNH R12029: Frontal

BMNH R12030: Fragmentary frontal.

BMNH R12031: Juvenile right frontal.

BMNH R12032: Anterior fragment of a parietal.

BMNH R12033: Anterior fragment of a parietal.

BMNH R12034: Posterior fragment with second bone, probably a squamosal.

BMNH R12035: Prefrontal.

BMNH R12036: Posterior orbital bone of a juvenile.

BMNH R12037: Juvenile left postorbital.

BMNH R12038: Fragmentary left postorbital.

BMNH R12039: Right jugal.

BMNH R12040: Juvenile right quadrate.

BMNH R12041: Dorsal region of a right quadrate.

BMNH R12042: Fragmentary right quadrate.

BMNH R12043: Right quadrate.

BMNH R12044: Right quadrate.

BMNH R12045: Right palatine.

BMNH R12046: Juvenile right palatine.

BMNH R12047: Juvenile left palatine.

BMNH R12048: Posterior part of a left palatine.

BMNH R12049: Juvenile right ectopterygoid.

BMNH R12050: Left ectopterygoid.

BMNH R12051: Right pterygoid.

BMNH R12052: Fragmentary right pterygoid.

BMNH R12053: Anterior tip of a right pterygoid.

BMNH R12054: Anteromedial tip of a right pterygiod.

BMNH R12055: Sphenoid.

BMNH R12056: Sphenoid.

BMNH R12057: Sphenoid.

BMNH R12058: Basioccipital.

BMNH R12059: Juvenile basioccipital.

BMNH R12060: Left epipterygoid.

BMNH R12061: Right exoccipital.

BMNH R12062: Anterior region of a right dentary.

BMNH R12063: Posterior region of a left dentary.

BMNH R12064: Symphysal region of a mature right dentary.

BMNH R12065: Anterior region of a juvenile, probably hatchling, right dentary.

BMNH R12066: Right coronoid.

BMNH R12067: Immature right surangular.

BMNH R12068-R12146:

 


Locality: Guimarota near Leiria, Leiria District, Portugal.

Horizon:

Biostratigraphy:

Age: Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

Number: Not given:

 

EVANS & MILNER, 1994

Locality: Hornsleasow Quarry, Snowshill, (SP 131322), Gloucestershire County, England, southern United Kingdom.

Horizon: Chipping Norton Member, Chipping Norton Formation.

Biostratigraphy: Zigzagiceras zigzag zone.

Age: Lower Bathonian Stage, Middle Dogger Epoch, Middle Jurassic..

Material:

Number: Not given:

 

EVANS & MILNER, 1994

Locality: Leigh Delamere, (ST 890790), Wiltshire County, England, Southern United Kingdom.

Horizon: Forest Marble.

Biostratigraphy:

Age: Upper Bathonian Stage, Middle Dogger Epoch, Middle Jurassic.

Material:

Number: Not given:

 

METCALF, 1993

Locality: Hornsleasow Quarry (also known as the Snowshill Quarry), Gloucestershire, England.

Horizon: Chipping Norton Member, Chipping Norton Formation.

Biostratigraphy: Zigzagiceras zigzag zone.

Age: Lower Bathonian Stage, Middle Dogger Epoch, Middle Jurassic.

Material:

GLRCM G58216: Dentary fragment.