Odontopleurida

Selenopeltis buchii

Order Odontopleurida / Family Odontopleuridae

Darriwilian (Middle Ordovician) to Sandbian (Late Ordovician)Czech Republic, UK
Selenopeltis buchii — photo 1
Photo 1 · Barrande's specimens and restorations, the second from the left possibly the lectotype NMP L 15662 (Czech Republic; Barrande 1852) Specimen preserving part of the digestive tract, and restoration (Czech Selenopeltis buchii on a postage stamp (Czech Republic, Republic; Fatka et al., 2013) 1968; Baishui) (Czech Republic; Anfimova Literature specimen (UK; Kennedy et 2022) al., 2018)
Selenopeltis buchii — photo 2
Photo 2 · Barrande's specimens and restorations, the second from the left possibly the lectotype NMP L 15662 (Czech Republic; Barrande 1852) Specimen preserving part of the digestive tract, and restoration (Czech Selenopeltis buchii on a postage stamp (Czech Republic, Republic; Fatka et al., 2013) 1968; Baishui) (Czech Republic; Anfimova Literature specimen (UK; Kennedy et 2022) al., 2018)
Selenopeltis buchii — photo 3
Photo 3 · Barrande's specimens and restorations, the second from the left possibly the lectotype NMP L 15662 (Czech Republic; Barrande 1852) Specimen preserving part of the digestive tract, and restoration (Czech Selenopeltis buchii on a postage stamp (Czech Republic, Republic; Fatka et al., 2013) 1968; Baishui) (Czech Republic; Anfimova Literature specimen (UK; Kennedy et 2022) al., 2018)
Selenopeltis buchii — photo 4
Photo 4 · Barrande's specimens and restorations, the second from the left possibly the lectotype NMP L 15662 (Czech Republic; Barrande 1852) Specimen preserving part of the digestive tract, and restoration (Czech Selenopeltis buchii on a postage stamp (Czech Republic, Republic; Fatka et al., 2013) 1968; Baishui) (Czech Republic; Anfimova Literature specimen (UK; Kennedy et 2022) al., 2018)
Selenopeltis buchii — photo 5
Photo 5 · Barrande's specimens and restorations, the second from the left possibly the lectotype NMP L 15662 (Czech Republic; Barrande 1852) Specimen preserving part of the digestive tract, and restoration (Czech Selenopeltis buchii on a postage stamp (Czech Republic, Republic; Fatka et al., 2013) 1968; Baishui) (Czech Republic; Anfimova Literature specimen (UK; Kennedy et 2022) al., 2018)
Selenopeltis buchii — photo 6
Photo 6 · Barrande's specimens and restorations, the second from the left possibly the lectotype NMP L 15662 (Czech Republic; Barrande 1852) Specimen preserving part of the digestive tract, and restoration (Czech Selenopeltis buchii on a postage stamp (Czech Republic, Republic; Fatka et al., 2013) 1968; Baishui) (Czech Republic; Anfimova Literature specimen (UK; Kennedy et 2022) al., 2018)
Selenopeltis buchii — photo 7
Photo 7 · Barrande's specimens and restorations, the second from the left possibly the lectotype NMP L 15662 (Czech Republic; Barrande 1852) Specimen preserving part of the digestive tract, and restoration (Czech Selenopeltis buchii on a postage stamp (Czech Republic, Republic; Fatka et al., 2013) 1968; Baishui) (Czech Republic; Anfimova Literature specimen (UK; Kennedy et 2022) al., 2018)
Classification
Order Odontopleurida / Family Odontopleuridae
Genus
Selenopeltis Hawle & Corda, 1847
Genus author
Hawle I. & Corda A. J. C.
Genus etymology
Selen-, Greek, moon; pelt-, Greek, shield
Species
S. buchii (Barrande, 1846)
Species author
Barrande J.
Species etymology
Buchi, a surname
Age
Darriwilian (Middle Ordovician) to Sandbian (Late Ordovician)
Distribution
Czech Republic, UK
Synonyms
Odontopleura buchii; Selenopeltis stephani; Selenopeltis humboldti; Setenopeltis beyrichii; Acidaspis buchii; Selenopeltis buchii buchii; Selenopeltis inermis var. inermis; Selenopeltis inermis; Selenopeltis buchii inermis; Selenopeltis macrophthalma; Selenopeltis inerme inerme; Selenopeltis inerme beyrichi; Selenopeltis inerme;
Diagnosis
Selenopeltis inerme inerme Cephalon wide with fine dense nodes; glabella subcircular in dorsal view, dorsal furrows distinct, two pairs of glabellar furrows and 3 pairs of lateral lobes; occipital furrow wide and deep around the base of L1; librigenae wide, extended laterally into long genal spines. Thorax of 9 segments; axis subequal in width to pleurae, with teardrop-shaped swellings laterally; pleurae with bent, raised pleural ribs extended into long pleural spines. Pygidium boat-shaped; 1 pair of pleural ribs extended into relatively short pygidial spines.
Remarks
This species is the type species of the genus Selenopeltis.