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Exochognathus expansus

Conodontophorida

Taxonomy
Trichonodella expansa was named by Nicoll and Rexroad (1969).

It was recombined as Exochognathus expansus by Rexroad and Nicoll (1972).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1969Trichonodella expansa Nicoll and Rexroad
1972Exochognathus expansus Rexroad and Nicoll

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
RankNameAuthor
subphylumVertebrata
superclassCyclostomataRichards
orderConodontophorida
genusExochognathusPollock et al. 1970
speciesexpansus(Nicoll and Rexroad 1969)

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.

Exochognathus expansus Nicoll and Rexroad 1969
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Diagnosis
No diagnoses are available