A ctenochasmatid pterosaur from the Portland Limestone Formation (Late Jurassic, Tithonian) of southern England

Roy E. Smith; David M. Martill

doi:10.1016/j.pgeola.2025.101100

A ctenochasmatid pterosaur from the Portland Limestone Formation (Late Jurassic, Tithonian) of southern England

Roy E. Smith, David M. Martill

School of the Environment and Life Sciences

Research output: Contribution to journal › Article › peer-review

Abstract

A new specimen of pterosaurian mandible from the Late Jurassic (Tithonian) Portland Limestone Group of southern England is described. Morphological considerations permit assignment to Pterodactyloidea. The elongate slender mandible and numerous closely spaced alveoli suggest it is a member of the Ctenochasmatidae. A faint median ridge on the occlusal surface between two grooves, converging into a median groove anteriorly, and the lack of a distinct premaxilla suggest the specimen is part of the symphysis of the mandible. This is the first documented record of a pterodactyloid from the Portland Group of England.

Original language	English
Article number	101100
Number of pages	9
Journal	Proceedings of the Geologists' Association
Early online date	11 Mar 2025
DOIs	https://doi.org/10.1016/j.pgeola.2025.101100
Publication status	Early online - 11 Mar 2025

Keywords

Pterosauria
Pterodactyloidea
Late Jurassic
Tithonian
Dorset
England

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10.1016/j.pgeola.2025.101100

A ctenochasmatid pterosaurFinal published version, 4.15 MBLicence: CC BY

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title = "A ctenochasmatid pterosaur from the Portland Limestone Formation (Late Jurassic, Tithonian) of southern England",

abstract = "A new specimen of pterosaurian mandible from the Late Jurassic (Tithonian) Portland Limestone Group of southern England is described. Morphological considerations permit assignment to Pterodactyloidea. The elongate slender mandible and numerous closely spaced alveoli suggest it is a member of the Ctenochasmatidae. A faint median ridge on the occlusal surface between two grooves, converging into a median groove anteriorly, and the lack of a distinct premaxilla suggest the specimen is part of the symphysis of the mandible. This is the first documented record of a pterodactyloid from the Portland Group of England.",

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N2 - A new specimen of pterosaurian mandible from the Late Jurassic (Tithonian) Portland Limestone Group of southern England is described. Morphological considerations permit assignment to Pterodactyloidea. The elongate slender mandible and numerous closely spaced alveoli suggest it is a member of the Ctenochasmatidae. A faint median ridge on the occlusal surface between two grooves, converging into a median groove anteriorly, and the lack of a distinct premaxilla suggest the specimen is part of the symphysis of the mandible. This is the first documented record of a pterodactyloid from the Portland Group of England.

AB - A new specimen of pterosaurian mandible from the Late Jurassic (Tithonian) Portland Limestone Group of southern England is described. Morphological considerations permit assignment to Pterodactyloidea. The elongate slender mandible and numerous closely spaced alveoli suggest it is a member of the Ctenochasmatidae. A faint median ridge on the occlusal surface between two grooves, converging into a median groove anteriorly, and the lack of a distinct premaxilla suggest the specimen is part of the symphysis of the mandible. This is the first documented record of a pterodactyloid from the Portland Group of England.

KW - Pterosauria

KW - Pterodactyloidea

KW - Late Jurassic

KW - Tithonian

KW - Dorset

KW - England

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DO - 10.1016/j.pgeola.2025.101100

M3 - Article

SN - 0016-7878

JO - Proceedings of the Geologists' Association

JF - Proceedings of the Geologists' Association

M1 - 101100

ER -

A ctenochasmatid pterosaur from the Portland Limestone Formation (Late Jurassic, Tithonian) of southern England

Abstract

Keywords

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