Mapperley Park tracksite (Triassic of the United Kingdom)

Also known as Sherwood suburb

Where: England, United Kingdom (53.0° N, 1.2° W: paleocoordinates 16.0° N, 11.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Keuper Waterstones Formation (Mercia Mudstone Group), Anisian (247.2 - 242.0 Ma)

• from the "Keuper Waterstones", lower Ladinian - now lower Merica Mudstone Group (Anisian)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Preservation: cast, trace

Collected by H. H. Swinnerton in 1910

Collection methods: surface (in situ),

Primary reference: H. H. Swinnerton. 1910. Organic remains in the Trias of Nottingham. Geological Magazine, decade 5 7(5):229 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83053: authorized by Matthew Carrano, entered by Matthew Carrano on 06.08.2008, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

 Eureptilia - Captorhinidae
Varanopus aff. curvidactylus2 Moodie 1929 eureptile
PC 3365
 Thecodontia -
"? Otozoum swinnertoni n. sp." = Chirotherium swinnertoni3
"? Otozoum swinnertoni n. sp." = Chirotherium swinnertoni3 Sarjeant 1970 archosaur
"type A" prints; PC 4238
 Saurischia - Anchisauripodidae
Swinnertonichnus mapperleyensis n. gen. n. sp.2 Sarjeant 1967 theropod
PC 3315
 Pseudosuchia - Chirotheriidae
Chirotheriidae indet.1 Abel 1935 archosaur
PC 3317
 Tetrapoda -
"Microsauropus aff. acutipes" = Erpetopus willistoni2
"Microsauropus aff. acutipes" = Erpetopus willistoni2 Moodie 1929 tetrapod
PC 3365