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Cyphaspis

Cyphaspis is a genus of small, proetid trilobite that lived from the Late Ordovician to the Late Devonian. Fossils have been found in marine strata in what is now Europe, Africa and North America. Various species had a compact body, and a large, bulbous glabellum. Many species had long spines arranged similarly to closely related genera, such as Otarian, Otarionella, Chamaeleoaspis, and Namuropyge.

Species
The following species in the genus Cyphaspis have been described: • C. anticostiensisC. bellulaC. bluhmi Van Viersen & Holland, 2016 • C. boninoi Van Viersen & Holland, 2016 • C. burmeisteriC. ceratophthalma Goldfuss, 1843 (type) • C. ceratophthalmoidesC. clintoniC. coelebsC. convexaC. craspedotaC. dereimsiC. diademaC. eximia Van Viersen & Holland, 2016 • C. iuxta Van Viersen, Taghon & Magrean, 2019 • C. kweberi Van Viersen & Holland, 2016 • C. lerougei Van Viersen & Holland, 2016 • C. lowei Adrain & Chatterton, 1996 • C. mactavishi Adrain & Chatterton, 1996 • C. maharchensis Van Viersen & Holland, 2016 • C. matulinaC. megalopsC. minusculaC. munii Adrain & Chatterton, 1996 • C. partimC. parvulaC. planifronsC. punctillosaC. raripustulosusC. sibirica Schmidt, 1886 • C. smeenki Van Viersen & Holland, 2016 • C. spinulocervixC. spryiC. stephanophoraC. stigmatopthalmusC. tadachachtensis Van Viersen & Holland, 2016 • C. trentonensisC. trigodaC. walteriC. yassensis == Distribution ==
Distribution
Fossils of Cyphaspis have been found in: ;Devonian Colombia (Floresta Formation, Altiplano Cundiboyacense), the Czech Republic, Morocco, United States (Alaska, Iowa, Oklahoma), and Uzbekistan ;Silurian Canada (Northwest Territories, Nunavut, Ontario), the United Kingdom, and the United States (Indiana, New York, Tennessee) ;Ordovician Sweden, and the United States (Illinois, Kentucky, Missouri) == References ==
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