.
Subgenus Peronopsis (Peronopsis) •
P. integra (Beyrich, 1845) (
Type), synonyms
Battus integer and
Mesagnostus integer, is known from the Middle Cambrian of the Czech Republic (
Hydrocephalus lyelli-zone and
Paradoxides gracilis-zone, Jince Formation, Bohemia) and Sweden (
Paradoxides oelandicus-zone,
Öland). •
P. amplaxis Robison, 1982 has been found in the Middle Cambrian of Central Asia and North America (
Triplagnostus gibbus-zone, Nevada; House Range, Utah; Branche Cove, Newfoundland). •
P. batenica Bognibova, 1971 occurs in the Middle Cambrian of the Russian Federation (Eldakh Horizon, Eldakh Mountain, Betenev Range,
Altai). •
P. crassa Lermontova, 1940 is present in the Middle Cambrian of the Russian Federation (
Paradoxides forchhammeri-zone, Orlinaya Mountains,
Kuznetsk Basin). •
P. deons Jell and Webbers, 1992 has been collected in the Middle Cambrian of Antarctica (
Triplagnostus gibbus-zone, Edson Hills,
Ellsworth Mountains, West Antarctica). •
P. hypagnostiformis Bognibova, 1971 has been found in the Middle Cambrian of the Russian Federation (Mandybashskii Horizon, Shakhmatovo, East
Sayan). •
P. inarmata Hutchinson, 1962 occurs in the Middle Cambrian of Newfoundland, Canada (
Paradoxides bennetti-zone,
Avalon Peninsula). •
P. montis Matthew, 1889 is known from the Middle Cambrian of the Russian Federation (
Kounamkites-zone,
Daldyn river Basin, and Nekekit River;
Ovatoryctocara-zone,
Molodo River, Olenik Uplift,
Yakutia;
Shistocephalus antiquus-zone,
Lena River), and Canada (
Mount Stephen, British Columbia;
Bathyuriscus-
Elrathina-zone, Rocky Mountains). •
P. uzbekistanica Hajrullina, 1970 was excavated from the Middle Cambrian of Uzbekistan (
Elrathina poletaevae-zone,
Amgaian, South
Tien Shan). was recorded originally from the Menevia Formation (Porth-y-rhaw Group) of Rees
et al., (2014, p. 72) in the eastern side of Porth-y-rhaw, SW Wales, which is therefore
type locality for the species. Subspecies of
scutalis include: •
Peronopsis scutalis scutalis Salter (Hicks, 1872, p. 175, pl. 5 figs 11, 12 [
non pl. 1, figs 9, 10, =
Ptychagnostus punctuosus (Angelin);
nec pl.5, figs, 13, 14, =
P. scutalis (s.l.)] from the
Hypagnostus parvifrons Biozone and basal
Pt. punctuosus Biozone of Porth-y-rhaw and from the
parvifrons Biozone exposed behind the lifeboat house, Solva Harbour, St David's; •
Peronopsis scutalis tenuis (Illing, 1916) from the lower
Tomagnostus fissus Biozone in the Abbey Shale Formation of Nuneaton, central England and the coeval lower Menevia Formation of Dwrhyd, Nine Wells, St David's; •
Peronopsis scutalis exarata (Grönwall, 1902, p. 77, pl. 1 fig 17), described originally from the Biozones of
Hypagnostus parvifrons and
Paradoxides davidis in Bornholm, and occurring also in the same Biozones at Porth-y-rhaw.
P. scutalis s.l. Salter, is recorded also from the Middle Cambrian of the Russian Federation (Mandybashskii horizon, Dolgii mys mountain, Betenev range;
Tomagnostus fissus Zone, Lena River;
Kounamkites Zone, Nekekit River, Khorbusuonka River, and Daldyno-Alakitshii District;
Pseudanomocarina aojiformis zone, Hormustah District), Australia (
Triplagnostus gibbus Zone, Sandover Beds early, Northern Territory) ; Greenland (
Ptychagnostus atavus Zone, Henson Gletscher Formation;
P. punctuosus Zone, Nyebö, North Greenland;
Lejopyge laevigata Zone, Holm Dal Formation), Canada (
Ptychagnostus atavus Zone, Saint John Formation;
Paradoxides abenacus Zone, Saint Martin; both New Brunswick;
P. hicksi Zone, Deep Cove, Newfoundland), Sweden (
Ptychagnostus punctuosus Zone, Andrarum, Gislovshammar and Brantevik;
Solenopleura s.l.
brachymetopa Zone, Andrarum) and Italy (Gonnesa Formation, Sardinia).
P. scutalis s.l. is also recorded from the Ford Beds,
H. parvifrons Biozone, of Ford railway station, Pembrokeshire, SW Wales, described by Thomas & Jones (1912). •
P. spitiensis (Reed, 1910) has been collected from the Middle Cambrian of India (Parahio Horizon, Changnu, Himalayas).
Subgenus Peronopsis (Vulgagnostus) •
P. longinqua Öpik, 1979 (
Type) has been excavated from the Middle Cambrian of Australia (
Templetonian-zone, Sandover Bedsearly, Northern Territory) and the Russian Federation (lower
Pseudanomocarina-zone, Homustah District, Amga River;
Kounamkites-zone, Nekekit River). •
P. gedongensis Huang and Yuan, 1994 synonym
P. pseudointerstrictus is recorded from the Middle Cambrian of China (Middle part of the Kaili Formation, Taijiang County, Guizhou), Sweden (Andrarum;
Paradoxides oelandicus-zone, Mossberga, Öland) and the Russian Federation (
Kounamkites-zone, Lena River). •
P. prolixa (Öpik, 1979) occurs in the Middle Cambrian of Australia (
Triplagnostus gibbus-zone, Sandover Bedsearly, Northern Territory). •
P. guoleensis Sun, 1989 is present in the Middle Cambrian of China (
Inouyops-zone, Hsuchuang Formation, Guole, Inner Mongolia). •
P. taijiangensis is found in the Middle Cambrian of China (
Oryctocephalus indicus-zone, Upper Kaili Formation, Taijiang County, Guizhou) and the Russian Federation (lower
Pseudanomocarina-zone, Homustah District, Amga River).
Unrevised species These species may be assigned to one of the subgenera later or be reassigned to another genus. •
P. clarae Howell, 1925 •
P. coreanus Kobayashi, 1935 •
P. howelli Hutchinson, 1962 •
P. magezhuangensis Zhang and Wang, 1985 •
P. ovalis Zhou, 1982 •
P. palmadon Kordule and Šnajdr, 1979 •
P. rectangularis Howell, 1925 •
P. sayramhuensis Zhang, 1981 •
P. sinensis Yang and Liu •
P. triangula Lin and Zhang, 1979 •
P. xichuanensis Yang == References ==