Flatstones, 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: Asteroceras obtusum ammonoid zone, Black Ven Marl Member (Charmouth Mudstone Formation), Obtusum (196.5 - 189.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; concretionary siliciclastic sediments

• fossil from a Flatstone Nodule

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression, concretion

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

Collection methods: surface (float), acetic,

• Collected by retired geologist James Frederick Jackson and sold to BMNH in the following years

Primary reference: P. E. S. Whalley. 1985. The systematics and palaeogeography of the Lower Jurassic insects of Dorset, England. Bulletin of the British Museum of Natural History (Geology) 39(3):107-189 [M. Clapham/J. Karr]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 114637: authorized by Matthew Clapham, entered by Jered Karr on 18.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera - Pterocimicidae
Pterocimex jacksoni Popov et al. 1994 true bug
BMNH In 59358B
 Blattaria - Caloblattinidae
Rhipidoblattina sp. Handlirsch 1906 cockroach
BMNH In 49212, 49249, 53909, 53920
 Blattodea - Mesoblattinidae
Nannoblattina petulantia n. sp. Whalley 1985 cockroach
BMNH In 53929, 51004
 Orthoptera - Locustopsidae
Locustopsis spectabilis Zeuner 1942 grasshopper
 Orthoptera - Protogryllidae
"Protogryllus magnus" = Protogryllus (Archaegryllodes) magnus
"Protogryllus magnus" = Protogryllus (Archaegryllodes) magnus Zeuner 1937 grasshopper
BMNH In 44003, 51016, 51022, 59373
 Orthoptera - Haglidae
Hagla cf. gracilis Giebel 1856 hump-winged cricket
BMNH In 59167
 Dicondylia -
Coleoptera "sp. 1" Linnaeus 1758 beetle
BMNH In 53967
Coleoptera "sp. 2" Linnaeus 1758 beetle
BMNH In 53966
Coleoptera "sp. 3" Linnaeus 1758 beetle
BMNH In 49238, 49603, 51020, 51045
Coleoptera "sp. 4" Linnaeus 1758 beetle
BMNH In 49571
Coleoptera "sp. 5" Linnaeus 1758 beetle
BMNH In 53961
Coleoptera "sp. 6" Linnaeus 1758 beetle
BMNH In 49242
Coleoptera "sp. 7" Linnaeus 1758 beetle
BMNH In 53977
Coleoptera "sp. 8" Linnaeus 1758 beetle
BMNH In 59949
Coleoptera "sp. 9" Linnaeus 1758 beetle
BMNH In 59150
Coleoptera "sp. 10" Linnaeus 1758 beetle
BMNH In 59362
Coleoptera "sp. 11" Linnaeus 1758 beetle
BMNH In 59389
 Coleoptera -
Byrrhoidea indet. Latreille 1804 beetle
BMNH In 64021
 Coleoptera - Elateridae
aff. Elaterina liassica Gardiner 1961 click beetle
BMNH In 59369
 Coleoptera -
Curculionoidea indet. Latreille 1802 weevil
BMNH In 59097, 64022, 51000
 Coleoptera - Curculionidae
Curculionidae indet. Latreille 1802 snout beetle
BMNH In 64045
 Coleoptera - Coptoclavidae
Holcoptera giebeli Handlirsch 1906 beetle
BMNH In 53921, 53927 (51019 also listed under H. schlotheimi and assigned to H. alisonae by Kelly et al. 2017)
 Coleoptera - Carabidae
Carabidae indet. Latreille 1802 ground beetle
 Coleoptera - Cupedidae
"cf. Omma liassica" = Omma liassicum
"cf. Omma liassica" = Omma liassicum Crowson 1962 reticulated beetle
BMNH In 59132
 Mecoptera - Orthophlebiidae
Protorthophlebia latipennis Tillyard 1933 scorpionfly
BMNH In 49575, 53954, 53963, 59120, 59365, 59371, 59384