Lower Bone Bed Member, Ludford Corner, Ludlow, Shropshire, England (Silurian of the United Kingdom)

Where: England, United Kingdom (51.4° N, 2.7° W: paleocoordinates 25.0° S, 11.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: tripapillatus-spicula apore zone zone, Lower Bone Bed Member (Downton Castle Sandstone Formation), Pridoli (423.0 - 419.2 Ma)

• Horizon up to 3 mm thick 0.15 to 0.20 m above the Ludlow Bone Bed.

• bed-level stratigraphic resolution

Environment/lithology: lithified, gray siltstone

• shallow subtidal to intertidal lag deposit
• Discontinuous muddy siltstone rich in carbonaceous fragments, siltstone occupies shallow ripple troughs.

Size classes: mesofossils, microfossils

Preservation: adpression, coalified, original carbon, original sporopollenin, coprolite

Collection methods: quarrying, chemical,

• Info taken from Jeram et al., 1990; Edwards, 1996

Primary reference: A. J. Jeram, P. A. Selden, and D. Edwards. 1990. Land animals in the Silurian: arachnids and myriapods from Shropshire, England. Science 250:658-661 [P. Gensel/M. Kotyk/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 11128: authorized by Pat Gensel, entered by Michele Kotyk on 24.07.2001, edited by April Kinchloe and Sandra Schachat

Creative Commons license: CC BY (attribution)

Taxonomic list

• Edwards 1996 does not distinguish which fossils were collected from this horizon and which from the bed about 1.4 m above!!! All of the Ludford Corner plants from the publication are entered into the 1.4 m horizon entry!!!
 Psilophytales -
Cooksonia sp. Lang 1937
 Chilopoda -
Chilopoda indet. centipede
type B
 Scutigeromorpha - Crussolidae
Crussolum sp.2 Shear et al. 1998 centipede
type A
cf. Kampecaris dimnorensis millipede
kampecarid myriapod
Ostracoda indet. Latreille 1802 ostracod
 Trigonotarbida -
Palaeotarbus jerami n. gen.1 Dunlop 1996
 Eurypterida -
Eurypterida indet. Burmeister 1843 eurypterid
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797
Bivalvia indet. Linnaeus 1758 clam