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Cryptograptus tricornis

Pterobranchia - Graptoloidea - Glossograptidae

Taxonomy
Diplograptus tricornis was named by Carruthers (1859). It is the type species of Cryptograptus.

It was recombined as Cryptograptus tricornis by Lapworth (1880).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1859Diplograptus tricornis Carruthers
1880Cryptograptus tricornis Lapworth

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumHemichordataBateson 1885
classPterobranchiaLankester 1877
RankNameAuthor
subclassGraptolithina(Bronn 1849)
orderGraptoloideaLapworth 1875
suborderGlossograptinaJaanuson 1960
familyGlossograptidaeLapworth 1873
subfamilyCryptograptinaeHadding 1915
genusCryptograptus
speciestricornis(Carruthers 1859)

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.

Cryptograptus tricornis Carruthers 1859
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Diagnosis
No diagnoses are available