Wye Valley, near Rhayader, Lagarograptus acinaces zone (Silurian of the United Kingdom)

Where: United Kingdom (52.2° N, 3.4° W: paleocoordinates 36.6° S, 16.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Lagarograptus acinaces graptolite zone, Rhuddanian (443.4 - 440.8 Ma)

Environment/lithology: deep subtidal; mudstone

Size classes: macrofossils, mesofossils

Primary reference: J. A. Zalasiewicz and S. Tunnicliff. 1994. Uppermost Ordovician to lower Silurian Graptolite Biostratigraphy of the Wye Valley, Central Wales. Palaeontology 37(Part 3):695-720 [W. Kiessling/M. Krause/O. Alfaro]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 145219: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 29.05.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Monograptidae
"Lagarograptus acinaces" = Huttagraptus acinaces, Pristiograptus fragilis, Coronograptus cyphus, Pribylograptus sandersoni, Pribylograptus incommodus, Atavograptus atavus
"Lagarograptus acinaces" = Huttagraptus acinaces Törnquist 1899 graptolite
abundant specimens
Coronograptus cyphus Lapworth 1876 graptolite
Atavograptus atavus Jones 1909 graptolite
 Graptoloidea - Dimorphograptidae
Dimorphograptus confertus
 Graptoloidea - Retiolitidae
Glyptograptus tamariscus, Glyptograptus aff. incertus
Glyptograptus tamariscus Nicholson 1868 graptolite
Glyptograptus aff. incertus Elles and Wood 1906 graptolite
 Graptoloidea - Normalograptidae
Metaclimacograptus hughesi, Rhaphidograptus toernquisti, Cystograptus vesiculosus, Normalograptus angustus, Normalograptus cf. medius, Normalograptus normalis, Normalograptus rectangularis
Metaclimacograptus hughesi Nicholson 1869 graptolite
Rhaphidograptus toernquisti Elles and Wood 1906 graptolite
abundant specimens
Normalograptus angustus Perner 1895 graptolite
Normalograptus cf. medius Tornquist 1897 graptolite
Normalograptus normalis Lapworth 1877 graptolite
Normalograptus rectangularis McCoy 1874 graptolite
 Graptoloidea - Diplograptidae
cf. Orthograptus mutabilis