Asaphida

Birmanites yunnanensis

Order Asaphida / Superfamily Asaphoidea / Family Asaphidae

Darriwilian (Middle Ordovician)Yunnan
Birmanites yunnanensis — photo 1
Photo 1 · Lectotype GSI 11887 (Yunnan; Fortey et al., 2022) Literature specimen (Yunnan; Fortey et al., 2022) Complete dorsal exoskeleton Complete dorsal exoskeleton (Yunnan; Lixia) (Yunnan; panda)
Birmanites yunnanensis — photo 2
Photo 2 · Lectotype GSI 11887 (Yunnan; Fortey et al., 2022) Literature specimen (Yunnan; Fortey et al., 2022) Complete dorsal exoskeleton Complete dorsal exoskeleton (Yunnan; Lixia) (Yunnan; panda)
Birmanites yunnanensis — photo 3
Photo 3 · Lectotype GSI 11887 (Yunnan; Fortey et al., 2022) Literature specimen (Yunnan; Fortey et al., 2022) Complete dorsal exoskeleton Complete dorsal exoskeleton (Yunnan; Lixia) (Yunnan; panda)
Birmanites yunnanensis — photo 4
Photo 4 · Lectotype GSI 11887 (Yunnan; Fortey et al., 2022) Literature specimen (Yunnan; Fortey et al., 2022) Complete dorsal exoskeleton Complete dorsal exoskeleton (Yunnan; Lixia) (Yunnan; panda)
Classification
Order Asaphida / Superfamily Asaphoidea / Family Asaphidae
Genus
Birmanites Sheng, 1934
Genus author
Sheng Xinfu
Genus etymology
Birma, Dutch, Burma (Myanmar); -ites, a noun suffix meaning resembling or related to
Species
B. yunnanensis (Reed, 1917)
Species author
Reed F. R. C.
Species etymology
Yunnan, Yunnan Province
Age
Darriwilian (Middle Ordovician)
Distribution
Yunnan
Synonyms
Ogygites yunnanensis; Basiliella yunnanensis; Basilicus (Basiliella) yunnanensis
Diagnosis
Compared with the type species Birmanites birmanicus, this species has a longitudinally shorter preglabellar field and a narrower cephalic border.