Corynexochida

Amphoton deois

Order Corynexochida / Suborder Corynexochina / Family Dolichometopidae

Cambrian, Miaolingian, DrumianShandong, Liaoning, and other areas of North China
Amphoton deois — photo 1
Photo 1 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 2
Photo 2 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 3
Photo 3 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 4
Photo 4 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 5
Photo 5 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 6
Photo 6 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 7
Photo 7 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 8
Photo 8 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 9
Photo 9 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 10
Photo 10 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Amphoton deois — photo 11
Photo 11 · Type specimen (Shandong; Reconstruction Shale, limestone Peng Shanchi 2020) (drawn by Haixiang) complete dorsal shield Shandong; Qianli zhi Jiang Complete dorsal shield Complete dorsal shield Specimen with (Shandong; Yadong) (Shandong; Zuo Shanling) healed injury Shandong; Y. W Laterally compressed complete dorsal Complete dorsal shield (Shandong; Complete dorsal shield shield Shandong; Qianli zhi Jiang Yimeng Shanren) (Shandong; Guodong)
Classification
Order Corynexochida / Suborder Corynexochina / Family Dolichometopidae
Genus
Amphoton Lorenz, 1906
Genus author
Lorenz T.
Genus etymology
amph, amphi-, Greek, both sides, double; oto, Greek, ear
Species
A. deois (Walcott, 1905)
Species author
Walcott C. D.
Species etymology
Deois, a Greek synonym for Proserpina, the Roman goddess of the underworld
Age
Cambrian, Miaolingian, Drumian
Distribution
Shandong, Liaoning, and other areas of North China
Synonyms
Dolichometopus deois; Amphoton steinmanni; Bathyuriscus asiaticus; Amphoton parallela; A. alia; A. blackwelderi; A. kaipingensis; Eurodeois deois; Amphoton dongyushanensis; A. wutaishanensis; Amphotonella jinxianensis
Diagnosis
Glabella elongate-columnar, slightly expanded forward, broadly rounded anteriorly, glabellar furrows weak or obsolete; anterior border narrow and raised, preglabellar field narrow and concave; occipital ring with a node or short spine; fixed cheek extremely Narrow; Free cheek without genal spine; Palpebral lobe long, long bow-shaped. Thorax of seven segments, each with axial node or axial spine. Pygidium broad, transversely oval; Pygidial axis divided into three rings and a terminal segment, reaching the posterior part of the pygidium narrow; free cheek without genal spine; palpebral lobe long and strongly arcuate. Thorax of seven segments, each with an axial node or spine. Pygidium broad and transversely elliptical; axis of 3 rings plus a terminal piece, reaching the posterior margin; pleurae with 2-3 pairs of pleural ribs, pleural furrows broad; border broad and concave.
Remarks
This species is the type species of Amphoton.