Woodstones, Black Ven, Charmouth (Jackson collection) (Jurassic of the United Kingdom)

Where: England, United Kingdom (50.7° N, 2.9° W: paleocoordinates 37.4° N, 3.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Black Ven Marl Member (Charmouth Mudstone Formation), Obtusum (196.5 - 189.6 Ma)

Environment/lithology: marine; lithified, calcareous mudstone

• "The calcareous mudstone in which the insects are preserved varies in fineness and is frequently full of burrows…" Whalley, 1985

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression, concretion

Collected by J. F. Jackson in 1951-1953; reposited in the BMNH

Primary reference: F. E. Zeuner. 1962. Fossil insects from the Lower Lias of Charmouth, Dorset. Bulletin of the British Museum (Natural History), Geology 7:155-171 [M. Clapham/J. Karr/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 114640: authorized by Matthew Clapham, entered by Jered Karr on 18.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera - Pachymeridiidae
Neomeridium trifurcum n. gen. n. sp.1
Neomeridium trifurcum n. gen. n. sp.1 Popov et al. 1994 true bug
BMNH In 59151, 51039, 53901, 64014
 Hemiptera - Ochteridae
Propreocoris maculatus n. gen. n. sp.1
Propreocoris maculatus n. gen. n. sp.1 Popov et al. 1994 velvety shore bug
BMNH In 59152
 Hemiptera - Pterocimicidae
Pterocimex jacksoni n. gen. n. sp.1
Pterocimex jacksoni n. gen. n. sp.1 Popov et al. 1994 true bug
BMNH in 53909, 49589, 51048, 59359
 Hemiptera - Corixidae
Liassocorixa dorsetica1 Popov et al. 1994 water boatman
BMNH In 59166
 Orthoptera - Elcanidae
Archelcana durnovaria n. sp.2 Whalley 1985 grasshopper
BMNH In 59162; only holotype is specified as from this locality
 Mecoptera - Pseudopolycentropodidae
"Pseudopolycentropus prolatipennis n. sp." = Pseudopolycentropus triangularis2
"Pseudopolycentropus prolatipennis n. sp." = Pseudopolycentropus triangularis2 Handlirsch 1920 scorpionfly
BMNH In 53915
 Odonata - Anglophlebiidae
"Liassophlebia gigantea n. sp." = Anglophlebia gigantea
"Liassophlebia gigantea n. sp." = Anglophlebia gigantea Zeuner 1962 dragonfly
BMNH In 51030