Phacopida

Plagiolaria nandanensis

Order Phacopida / Suborder Phacopina / Superfamily Phacopoidea / Family Phacopidae

Emsian (Early Devonian)Guangxi
Plagiolaria nandanensis — photo 1
Photo 1 · Cranidium is the holotype (Guangxi; Zhang (Guangxi; Zhou Tianmei Restoration of the moulting process (Zong et Wentang 1974) 1977) al., 2017) Literature specimen (Guangxi; Zong et al., 2017) (Guangx (Guangxi; Captain Wu) Literature specimen (Guangxi; Zeng i; Guyu) Guangchun et al. 2018)
Plagiolaria nandanensis — photo 2
Photo 2 · Cranidium is the holotype (Guangxi; Zhang (Guangxi; Zhou Tianmei Restoration of the moulting process (Zong et Wentang 1974) 1977) al., 2017) Literature specimen (Guangxi; Zong et al., 2017) (Guangx (Guangxi; Captain Wu) Literature specimen (Guangxi; Zeng i; Guyu) Guangchun et al. 2018)
Plagiolaria nandanensis — photo 3
Photo 3 · Cranidium is the holotype (Guangxi; Zhang (Guangxi; Zhou Tianmei Restoration of the moulting process (Zong et Wentang 1974) 1977) al., 2017) Literature specimen (Guangxi; Zong et al., 2017) (Guangx (Guangxi; Captain Wu) Literature specimen (Guangxi; Zeng i; Guyu) Guangchun et al. 2018)
Plagiolaria nandanensis — photo 4
Photo 4 · Cranidium is the holotype (Guangxi; Zhang (Guangxi; Zhou Tianmei Restoration of the moulting process (Zong et Wentang 1974) 1977) al., 2017) Literature specimen (Guangxi; Zong et al., 2017) (Guangx (Guangxi; Captain Wu) Literature specimen (Guangxi; Zeng i; Guyu) Guangchun et al. 2018)
Plagiolaria nandanensis — photo 5
Photo 5 · Cranidium is the holotype (Guangxi; Zhang (Guangxi; Zhou Tianmei Restoration of the moulting process (Zong et Wentang 1974) 1977) al., 2017) Literature specimen (Guangxi; Zong et al., 2017) (Guangx (Guangxi; Captain Wu) Literature specimen (Guangxi; Zeng i; Guyu) Guangchun et al. 2018)
Plagiolaria nandanensis — photo 6
Photo 6 · Cranidium is the holotype (Guangxi; Zhang (Guangxi; Zhou Tianmei Restoration of the moulting process (Zong et Wentang 1974) 1977) al., 2017) Literature specimen (Guangxi; Zong et al., 2017) (Guangx (Guangxi; Captain Wu) Literature specimen (Guangxi; Zeng i; Guyu) Guangchun et al. 2018)
Plagiolaria nandanensis — photo 7
Photo 7 · Cranidium is the holotype (Guangxi; Zhang (Guangxi; Zhou Tianmei Restoration of the moulting process (Zong et Wentang 1974) 1977) al., 2017) Literature specimen (Guangxi; Zong et al., 2017) (Guangx (Guangxi; Captain Wu) Literature specimen (Guangxi; Zeng i; Guyu) Guangchun et al. 2018)
Plagiolaria nandanensis — photo 8
Photo 8 · Cranidium is the holotype (Guangxi; Zhang (Guangxi; Zhou Tianmei Restoration of the moulting process (Zong et Wentang 1974) 1977) al., 2017) Literature specimen (Guangxi; Zong et al., 2017) (Guangx (Guangxi; Captain Wu) Literature specimen (Guangxi; Zeng i; Guyu) Guangchun et al. 2018)
Classification
Order Phacopida / Suborder Phacopina / Superfamily Phacopoidea / Family Phacopidae
Genus
Plagiolaria Kegel, 1952
Genus author
Kegel W.
Genus etymology
plagio-, Greek, oblique, side
Species
P. nandanensis Chang, 1974
Species author
Zhang Wentang
Species etymology
Nandan, Nandan, Guangxi, the locality
Age
Emsian (Early Devonian)
Distribution
Guangxi
Diagnosis
Cephalon semicircular; glabella expanding forward with three pairs of glabellar furrows; anterior occipital ring distinct; palpebral lobes small, in the anterolateral part of the cheeks. Thorax of 11 segments; axis narrower than pleurae; pleural furrows distinct. Pygidial axis slender and long with pointed end, about 8 axial rings plus a terminal piece; pleural and interpleural furrows distinct.