Dajian of Wangjiazhai Village, Xijiadian Town (Eocene of China)

Also known as Danjiangkou City; IVPP locality 76006

Where: Hubei, China (32.6° N, 111.5° E: paleocoordinates 32.2° N, 104.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: middle Member (Yuhuangding Formation), Early/Lower Eocene (55.8 - 48.6 Ma)

• Late early Eocene

•Liguanqiao Basin. There is no absolute dating for the horizon, but the same hor- izon has yielded abundant mammal remains, including Rhombomylus turpanensis, Advenimus hupeiensis, Asiocoryphodon conicus and Danjiangia pingi, which suggests a late early Eocene age.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Li Chuankui, Yuan Wang and Wei Zhou; reposited in the IVPP

Primary reference: Y. Hu. 1995. New late Early Eocene ctenodactyloid rodents (Rodentia, Mammalia) from Danjiangkou, Hubei. Vertebrata PalAsiatica 33(1):24-38 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175177: authorized by Philip Mannion, entered by Philip Mannion on 04.12.2015, edited by Grace Varnham

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Rodentia -
Exmus mini n. gen. n. sp.3, Hohomys lii n. gen. n. sp., Advenimus hupeiensis n. sp.1
Exmus mini n. gen. n. sp.3 Wible et al. 2005 rodent
IVPP V7429 - type; referred specimen: IVPP V7430
Hohomys lii n. gen. n. sp. Hu 1995 rodent
IVPP V10839 - type
Advenimus hupeiensis n. sp.1 Dawson et al. 1984 rodent
IVPP V5248 - type
Reptilia
 Squamata - Varanidae
Archaeovaranus lii n. gen. n. sp.2
Archaeovaranus lii n. gen. n. sp.2 Dong et al. 2022 monitor lizard
Holotype: IVPP V 22770, a nearly complete skeleton with an intact skull and associated but mostly disarticulated postcranial elements