Valley Head Locality (Devonian of the United States)

Where: West Virginia (38.6° N, 80.0° W: paleocoordinates 33.1° S, 29.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Hampshire Formation, Famennian (372.2 - 358.9 Ma)

Environment/lithology: mudstone

Size class: macrofossils

Preservation: permineralized, replaced with pyrite, replaced with limonite

Collection methods: quarrying, chemical, mechanical, peel or thin section,

Primary reference: B. Cornet, T.L. Phillips, and H.N. Andrews. 1976. The Morphology and Variation in Rhacophyton ceratangium from the Upper Devonian and its Bearing on Frond Evolution. Palaeontographica Abteilung B 158:105-129 [W. Stein/J. Kao/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 22757: authorized by Bill Stein, entered by Jenny Kao on 25.06.2002, edited by Dylan Horvath

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Courvoisiella ctenomorpha
siphonous alga, thalli
 Rhacophytales -
Rhacophyton ceratangium
vegetative and fertile fronds
Archaeopteridopsida
 Archaeopteridales - Archaeopteridaceae
Archaeopteris sp. Dawson 1871