Thorness Bay, Bembridge Marls (MNEMG coll) (Eocene of the United Kingdom)

Where: Isle of Wight, United Kingdom (50.7° N, 1.4° W: paleocoordinates 49.2° N, 5.2° W)

• coordinate based on nearby landmark

When: Bembridge Marls Member (Bouldnor Formation), Priabonian (38.0 - 33.9 Ma)

• "insect beds"

•Upper part of 13r chron just above 1n interval

Environment/lithology: lagoonal or restricted shallow subtidal; lithified, argillaceous lime mudstone

• The Bembridge Marls were deposited in fresh-brackish water lakes and lagoons

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collection methods: Repository: Maidstone Museum and Art Gallery (MNEMG)

Primary reference: A. Nel and E. A. Jarzembowski. 1999. Fossil damselflies and dragonflies (Insecta: Odonata) from the late Upper Eocene of southern England. Proceedings of the Geologists' Association 110:193-201 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157666: authorized by Matthew Clapham, entered by Matthew Clapham on 28.06.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Orthoptera - Gryllotalpidae
Pterotriamescaptor primus2 Cockerell 1921 mole cricket
MNEMG IL 58a,b
 Orthoptera - Gryllidae
Ontogryllus oligocenus2 Cockerell 1921 field cricket
MNEMG 2018.6.1147
 Thysanoptera - Thripidae
Coccothrips hoffeinsorum n. gen. n. sp.4
Coccothrips hoffeinsorum n. gen. n. sp.4 Shmakov 2014 thrips
MNEMG 2007.12 (IL 64)
 Hemiptera - Cixiidae
Komnixta jarzembowskii n. gen. n. sp.5
Komnixta jarzembowskii n. gen. n. sp.5 Szwedo 2019 cixiid planthopper
MNEMG IL 87a,b
 Hemiptera - Aleyrodidae
Aleyrodidae indet.5 Westwood 1840 whitefly
MNEMG IB, 2018.6.719, 2018.6.773, 2018.6.1478, 2018.6.2717, 2018.6.3060
 Psocodea -
Wightipsocus acourti1 Cockerell 1921 bark louse
MNEMG 2009.75
Wightipsocus intasi1 Azar 2014 bark louse
MNEMG 2009.76 (BLS 1482), 77 (BLS 635), 78 (BLS 1608), 79 (BLS 722), 80 (BLS 941)
Wightimicropsocus inexpectatus n. gen. n. sp.1 Azar 2014 bark louse
MNEMG 2009.84 (BLS 1501)
Awightipsocus jarzembowskii n. sp.1 Azar 2014 bark louse
MNEMG 2009.81 (BLS 439)
Awightipsocus megaloi1 Azar 2014 bark louse
MNEMG 2009.82 (BLS 985)
Awightipsocus minimus n. sp.1 Azar 2014 bark louse
MNEMG 2009.83 (BLS 981)
 Dicondylia -
Odonata indet. Fabricius 1793 dragonfly
MNEMG 1998.35
 Odonata - Megapodagrionidae
Oligoargiolestes oligocenum Kennedy 1925 flatwing
MNEMG 1998.36
 Odonata -
Coenagrionoidea "indet. A" Kirby 1890 damselfly
MNEMG 1998.33
Coenagrionoidea "indet. B" Kirby 1890 damselfly
MNEMG 1998.34
 Diptera - Psychodidae
Pericoma primaeva3 Cockerell 1915 moth fly
MNEMG 2018.6.0517, 2018.6.1522, 2018.6.0545/2018.6.0549, 2018.6.0159, 2018.6.0411, 2018.6.0684, 2018.6.0761