This page has been validated.
KJELLESVIG-WAERING: STYLONURACEA
195
Stratigraphic range.—Lower Carboniferous; Upper Devonian (?).
The following species are recognized:
| Hibbertopterus ? hibernicus (Baily), 1872 | Devonian | Ireland |
| Hibbertopterus ? minutisculptus (Peach), 1907 | Lower Carboniferous | Scotland |
| Hibbertopterus ? potens (Hall), 1884 | Pennsylvanian | Pennsylvania |
| Hibbertopterus ? salmi (Stur), 1877 | Lower Carboniferous | Czechoslovakia |
| Hibbertopterus scouleri (Hibbert), 1836 | Lower Carboniferous | Scotland |
| Hibbertopterus ? sewardi (Strand), 1926 | Carboniferous | South Africa |
| Hibbertopterus ? stevensoni (Etheridge, Jr.), 1876 | Lower Carboniferous | Scotland |
Genus Campylocephalus Eichwald, 1860
Diagnosis.—Hibbertopteridae with subelliptical prosoma, narrow at base and broadest at midsection; compound eyes reniform, without annular cuticular thickening, located in posterior half of prosoma.
Type species.—Limulus oculatus Kutorga, 1838.
Distribution.—Urals, U.S.S.R.
Stratigraphic range.—Upper Carboniferous-Permian.
Recognized species for this genus:
| Campylocephalus oculatus (Kutorga) | Permian (?) | U.S.S.R. |
REFERENCES
| Baily, W. H. | |
| 1866–72 in Woodward, H. Monograph of the British Fossil Crustacea, etc., Paleontographical Soc., part 4, pp. 148–151; pl. 28, figs. 16, 17, 17a; text figs. 45–48. | |
| Caster, K. E., and E. N. Kjellesvig-Waering | |
| 1923. Melbournopterus, A New Silurian Eurypterid from Australia. Jour. Pal., 27, no. 1, pp. 153–156, pl. 20, text-figs. 1–2. | |
| Clarke, J. M. | |
| 1907. The Eurypterus shales of Shawangunk Mountains in eastern New York. N. Y. State Mus., Bull. 107, pp. 295–326, 10 pls. | |
| Clarke, J. M., and R. Ruedemann | |
| 1912. The Eurypterida of New York. New York State Mus., Memoir 14, pp. 1–439, 88 pls., 121 figs. | |
| Etheridge, R., Jr. | |
| 1877. On the Remains of a Large Crustacean, probably indicative of a New Species of Eurypterus, or allied Genus (Eurypterus? stevensonii), from the | |
