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Norwoodiidae
Taxonomy
Norwoodiidae was named by Walcott (1916). It is not extant.
It was assigned to Ptychopariida by Whittington et al. (1997); and to Trilobita by Adrain (2011).
It was assigned to Ptychopariida by Whittington et al. (1997); and to Trilobita by Adrain (2011).
Synonymy list
| Year | Name and author |
|---|---|
| 1916 | Norwoodiidae Walcott |
| 1997 | Norwoodiidae Whittington et al. p. 302 |
| 2011 | Norwoodiidae 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. †Norwoodiidae Walcott 1916
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G. †Cedaraspis Ivshin 1960
G. †Hardyoides Kobayashi 1938
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†Hardyoides damaensis Duan 2004
†Hardyoides mimicus Palmer 1965
†Hardyoides sinensis Peng 1992
Invalid names: Norwoodina Lochman 1940 [synonym]
G. †Holcacephalus Resser 1938
G. †Levisaspis Rasetti 1943
G. †Norwoodella Resser 1938
G. †Paranorwoodia Rasetti 1945
Diagnosis
No diagnoses are available