Perton (Silurian of the United Kingdom)

Where: United Kingdom (52.1° N, 2.6° W: paleocoordinates 23.8° S, 11.7° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Leintwardine (421.3 - 419.2 Ma)

• "from 10 feet below the base of the equivalent of the Aymestry Limestone"

•apparently from the Monograptus leintwardinensis Zone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Preservation: mold/impression

Collected by E. V. Tucker

• GSM collection

•"Most of the specimens described in this paper occur as external moulds... studied by means of rubber latex casts"

Primary reference: W. H. C. Ramsbottom. 1958. British Upper Silurian crinoids from the Ludlovian. Palaeontology 1:106-115 [G. Webster/G. Webster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119399: authorized by John Alroy, entered by John Alroy on 24.10.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Monobathrida - Periechocrinidae
Periechocrinus sp. Morris 1843 Sea lily