Bed 3 (Hudson et. al. 1995) (Jurassic of the United Kingdom)

Where: Scotland, United Kingdom (56.9° N, 6.2° W: paleocoordinates 46.1° N, 4.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Kildonnan Member (Lealt Shale Formation), Bathonian (168.3 - 166.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; lithified, shelly/skeletal, silty limestone and lithified, shelly/skeletal, silty shale

• 3 layers: 1) shale, limestone; gastropods. 2) silty shale; layers of small Praemytilus. 3) shale, limestone; gastropods.

Size classes: macrofossils, microfossils

Primary reference: J. D. Hudson, J. B. Riding, M. I. Wakefield and W. Walton. 1995. Jurassic Paleosalinities and Brackish-water Communities-A Case Study. Palaios 10(5):392-405 [A. Miller/D. Schramm/D. Schramm]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 40699: authorized by Arnold Miller, entered by Danielle Schramm on 28.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Ostracoda
 Podocopida -
Bivalvia
 Mytilida -
Praemytilus strathairdensis clam
RCA Scale 5 of 5 Juveniles
 Unionida - Unionidae
Unio andersoni freshwater mussel
RCA Scale 3 of 5
Gastropoda
 Architaenioglossa - Viviparidae
Viviparus scoticus snail
RCA Scale 3 of 5
 Neritoidea - Neritidae
Neritoma sp. Morris 1949 snail
RCA Scale 5 of 5
 Valvatoidea - Valvatidae
Valvata praecursor snail
RCA Scale 5 of 5