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Diceratocephalidae
Taxonomy
Diceratocephalidae was named by Lu (1954). It is not extant.
It was assigned to Ptychopariida by Whittington et al. (1997), Hong et al. (2003) and Park et al. (2008); and to Trilobita by Adrain (2011).
It was assigned to Ptychopariida by Whittington et al. (1997), Hong et al. (2003) and Park et al. (2008); and to Trilobita by Adrain (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1954 | Diceratocephalidae Lu |
| 1997 | Diceratocephalidae Whittington et al. p. 302 |
| 2003 | Diceratocephalidae Hong et al. |
| 2008 | Diceratocephalidae Park et al. p. 251 |
| 2011 | Diceratocephalidae Adrain p. 108 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Diceratocephalidae Lu 1954
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G. †Ajrikina Kryskov 1963
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†Ajrikina elongata Ergaliev 1980
†Ajrikina hunanensis Peng 1987
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Invalid names: Jiangnania fengzuensis Lu and Lin 1989 [synonym], Jiangnania fuyangensis Lu and Lin 1989 [synonym]
†Ajrikina miranda Lin et al. 1983
†Ajrikina wannanensis Qiu 1983
Invalid names: Huamiaocephalus Qiu 1983 [synonym], Jiangnania Lin et al. 1983 [synonym]
G. †Anopocodia Opik 1967
G. †Aulacodigma Opik 1967
G. †Cyclolorenzella Kobayashi 1960
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†Cyclolorenzella acalle Walcott 1905
†Cyclolorenzella caijiapingensis Yang 1978
†Cyclolorenzella convexa Resser and Endo 1937
†Cyclolorenzella distincta Zhang 1985
†Cyclolorenzella hebeiensis Zhu and Wittke 1989
†Cyclolorenzella parabola Resser and Endo 1937
†Cyclolorenzella uniforma Zhu and Wittke 1989
†Cyclolorenzella yentaiensis Chu 1959
G. †Fenghuangella Yang 1977
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†Fenghuangella coniformis Ergaliev 1980
†Fenghuangella laochatianensis Yang 1977
†Fenghuangella lata Qian and Zhou 1984
†Fenghuangella magnispina Lin et al. 1983
†Fenghuangella striata Qian and Zhou 1984
†Fenghuangella subtriangularis Lin et al. 1983
Invalid names: Cyclolorenzellina Ergaliev 1980 [synonym]
G. †Tholifrons Palmer 1968
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†Tholifrons minuta Palmer 1968
Invalid names: Paraphoreotropis Shaw 1968 [synonym]
Diagnosis
No diagnoses are available