Full reference: D. R. Lawver, X. Jin, F. D. Jackson and Q. Wang. 2016. An avian egg from the Lower Cretaceous (Albian) Liangtoutang Formation of Zhejiang Province, China. Journal of Vertebrate Paleontology 36(3):e1100631:1-7
Parent taxon: Aves according to D. R. Lawver et al. 2016
Sister taxa: Accipitriformes, Alaripeda, Archaeornithipus, Archornithes, Aucornis, Avimimiformes, Avipedidae, Barrosopus, Bucerotiformes, Chaoyangornithidae, Charadriiformes, Climacarthrus, Dolichopterus, Dromiceiidae, Eoaves, Eociconia, Eopteryx, Eucavitaves, Eupterornis remensis, Eurhipidurae, Euryonotus, Falconiformes, Fontinalis, Gansuiformes, Gobioolithidae, Gruipeda, Gyeongsangornipes, Ibidopodia, Ignotornidae, Jeholornis, Jindongornipodidae, Jixiangornis, Koreanaornipodidae, Kuszholiidae, Liaoxiornithidae, Limiavipedidae, Loncornis, Longipennes, Manu, Metornithes, Micropodiformes, Minerva, Mirandornithes, Moguiornipes, Musophagiformes, Mystiornithiformes, Neornithes, Odontoglossae, Odontopterygiformes, Odontornithes, Omnivoropterygiformes, Onychopteryx, Palaeoaves, Palaeolestes, Palaeopsittacus, Paludicolae, Pancharadriiformes, Pangalliformes, Panmirandornithes, Pansphenisciformes, Parvoolithus, Patagonichnornis, Paxavipedidae, Phaethontiformes, Platanavis, Plectophora, Praeornithes, Proherodius, Proherodius oweni, Proornis, Protoaviformes, Protopelargus, Protornis, Psittacopasseres, Psittacopedidae, Pygostylia, Qianshanornithidae, Querandiornis, Riacama, Sauriurae, Shandongornipodidae, Shenzhouraptor, Smiliornis, Tantalatos, Tantaleus, Tatarornipes, Telluraves, Telmatoformes, Teracus, Tricorynopus brinkmani, Tridentigerpes, Tshulia, Uhangrichnus, Yacoraitichnus, Yalavis
Subtaxa: Pachycorioolithus
Type: Pachycorioolithus
Ecology: ground dwelling carnivore
Distribution: found only at Shuhong quarry (Cretaceous of China)