Tongchuan (Triassic of China)

Where: Shaanxi, China (35.2° N, 109.0° E: paleocoordinates 39.5° N, 87.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lower Member (Tongchuan Formation), Longobardian (242.0 - 235.0 Ma)

• Fossils come from Upper part of Lower Member of Tongchuan. Ash beds from within the insect-bearing units dated at 238.0 and 237.4 Ma, indicating latest Ladinian age (Zheng et al., 2018).

Environment/lithology: lacustrine; lithified, gray, green mudstone

• Ordos basin
• Grayish-green mudstone

Size class: mesofossils

Preservation: mold/impression

Collection methods: Repository: Beijing Museum of Natural History

Primary reference: Y. C. Hong, S. Chen, and S. T. Liu. 2002. Middle Triassic new fossils of Protorthophlebia Tillyard (Insecta: Mecoptera) from Tongchuan region, Shaanxi province, China. Entomologia Sinica 9(2):51-57 [M. Clapham/J. Karr/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 117138: authorized by Matthew Clapham, entered by Jered Karr on 15.09.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera - Dracaphididae
Dracaphis angustata n. gen. n. sp.11
Dracaphis angustata n. gen. n. sp.11 Hong et al. 2009 aphid
TH00-2/079, TH99-1/073, TH99-1/074
 Blattodea - Mylacridae
Cathayiblatta longata n. gen. n. sp.12
Cathayiblatta longata n. gen. n. sp.12 Li et al. 2007 cockroach
TH06-1-002 (from first insect bed)
 Dicondylia -
Sinothauma ladinica n. gen. n. sp.10
Sinothauma ladinica n. gen. n. sp.10 Hong and Li 2007 winged insect
TH05-1/1183
 Glosselytrodea - Jurinidae
Sinoglosselytron qishuiheensis n. gen. n. sp.4 Hong 2007 winged insect
82THG-1/219, 82TH1-1/022
Ladinoglosselytron martynovae n. gen. n. sp.4 Hong 2007 winged insect
82TH3-2/11
Shaanxiglosselytron longata n. gen. n. sp.4 Hong 2007 winged insect
82TH1-1/038
 Dicondylia -
Coleoptera indet.3 Linnaeus 1758 beetle
elytron on top of Ladinochorista lata
 Mecoptera - Parachoristidae
Triasoparachorista huaxiaensis n. gen. n. sp.5 Hong 2009 scorpionfly
TH05-1-1179
 Mecoptera - Bittacidae
Ctenophlebia tongchuanensis n. gen. n. sp.6 Hong 2009 hangingfly
TH99-1/1044
Neorthophlebopsis qishuiheensis n. gen. n. sp.9 Hong et al. 2005 hangingfly
TH99-1/039
 Mecoptera - Orthophlebiidae
Orthophlebia (Dolichophlebia) ladinica n. sp.6 Hong 2009 scorpionfly
TH00-1/010
Protorthophlebia (Psomophlebia) curta n. sp.6 Hong 2009 scorpionfly
82TH1-1/T122
Protorthophlebia ladinica n. sp. Hong et al. 2002 scorpionfly
TH99-1/119
Protorthophlebia triassica n. sp. Hong et al. 2002 scorpionfly
TH99-1/CJ101
 Mecoptera - Mesopsychidae
"Itaphlebia tongchuanensis n. sp." = Mesopsyche tongchuanensis3, Forcinerva tongchuanensis n. gen. n. sp.7, Longifurcula hejiafangensis n. gen. n. sp.3, Allochorista erdosensis n. gen. n. sp.3, Erdosia pectinata n. gen. n. sp.8, Ladinochorista lata n. gen. n. sp.3, Mesopanorpodes latus n. sp.13, Mesopanorpodes shaanxiensis n. sp.8
"Itaphlebia tongchuanensis n. sp." = Mesopsyche tongchuanensis3 Hong 2007 scorpionfly
82THr 2/T144
Forcinerva tongchuanensis n. gen. n. sp.7 Hong and Guo 2003 scorpionfly
TH99-1/073
Longifurcula hejiafangensis n. gen. n. sp.3 Hong 2007 scorpionfly
82THr 1/T074
Allochorista erdosensis n. gen. n. sp.3 Hong 2007 scorpionfly
82TH6 1/T001
Erdosia pectinata n. gen. n. sp.8 Hong et al. 2002 scorpionfly
TH99-1/1089
Ladinochorista lata n. gen. n. sp.3 Hong 2007 scorpionfly
82TH6 1/T222
Mesopanorpodes latus n. sp.13 Sun and Hong 2011 scorpionfly
83TH-1/028
Mesopanorpodes shaanxiensis n. sp.8 Hong et al. 2002 scorpionfly
TH99-1/1120
 Mecoptera - Permochoristidae
Qingochorista conjunctiva n. gen. n. sp.1, "Choristites martinsoni n. gen. n. sp." = Hongchoristites martinsoni2, Shaanxichorista hejiafangensis n. gen. n. sp.2
Qingochorista conjunctiva n. gen. n. sp.1 Guo and Hong 2003 scorpionfly
TH99-2/005
"Choristites martinsoni n. gen. n. sp." = Hongchoristites martinsoni2 Hong 2005 scorpionfly
82TH6-1/T149
Shaanxichorista hejiafangensis n. gen. n. sp.2 Hong 2005 scorpionfly
82TH6-1/T087