| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cornuata
Taxonomy
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Cornuata Janvier |
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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.
Subcl. †Cornuata Janvier 1985
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Unr. †Cephalaspidiens Janvier 1985
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Fm. †Cephalaspidae Huxley 1861
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G. †Cephalaspis Agassiz 1835
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†Cephalaspis acadica Robertson 1936
†Cephalaspis campbelltonensis Whiteaves 1881
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Invalid names: Cephalaspis whiteavesi Traquair 1890 [synonym]
†Cephalaspis canadensis Robertson 1936
†Cephalaspis dawsoni Lankester 1870
†Cephalaspis jexi Traquair 1893
†Cephalaspis laticeps Traquair 1890
†Cephalaspis lewisii Agassiz 1835
†Cephalaspis lightbodii Lankester 1870
†Cephalaspis lloydii Agassiz 1835
†Cephalaspis lyelli Agassiz 1835
†Cephalaspis murchisoni Egerton 1857
†Cephalaspis novaescotiae Denison 1955
†Cephalaspis pagei Lankester 1870
†Cephalaspis powriei Lankester 1870
†Cephalaspis rostratus Agassiz 1835
†Cephalaspis salweyi Egerton 1857
†Cephalaspis westolli Russell 1954
†Cephalaspis wyomingensis Bryant 1933
Diagnosis
No diagnoses are available