Vale of the Vallis, W of Frome [Inferior Oolite] (Jurassic of the United Kingdom)

Where: United Kingdom (51.2° N, 2.3° W: paleocoordinates 39.9° N, 8.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Inferior Oolite Group, Aalenian (174.1 - 170.3 Ma)

• STRATIGRAPHIC RELATIONS: From an unknown lithostratigraphic unit. AGE: Middle Jurassic in text; justification not given for age assignment; generally regarded as Aalenian or Bajocian; here placed in Aalenian on the basis of stratigraphic position, to avoid stratigraphic orphaning. STRATIGRAPHIC POSITION: From a 4-inchg blie clay bed with Avicula contorta zone fauna, lying 3 ft, 8 inches below the "Inferior Oolite".

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, blue claystone

• SPECIFIC LITHOLOGY: Blue clay. LITHIFICATION: Lithified, on the basis of facies description.

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTOR: Unknown. REPOSITORY: Bath Museum.

Primary reference: A. G. Smith. 1973. Fossil chitons from the Mesozoic - A checklist and bibliography. Occasional papers of the California Academy of Sciences 103:1-30 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91223: authorized by Austin Hendy, entered by Austin Hendy on 11.09.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to taxa described in text. NOMENCLATURE: Authoritative publication, with species-resolution identifications and relatively modern nomenclature.
Polyplacophora
 Chitonida - Chitonidae
"Chiton" rhaeticus Moore 1861 chiton