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Tetragraptus bigsbyi

Pterobranchia - Graptoloidea - Phyllograptidae

Taxonomy
Tetragraptus bigsbyi was named by Hall (1865). It is not extant.

Sister species lacking formal opinion data
T. chapmani, T. headi, T. quadribachiatus, T. taraxacum

Synonymy list
YearName and author
1865Tetragraptus bigsbyi Hall
2020Tetragraptus bigsbyi Toro et al. p. 154 figs. 4A; 4D-G; 4I-J

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumHemichordataBateson 1885
classPterobranchiaLankester 1877
RankNameAuthor
subclassGraptolithina(Bronn 1849)
orderGraptoloideaLapworth 1875
suborderDichograptinaLapworth 1873
familyPhyllograptidae
genusTetragraptusSalter 1863
speciesbigsbyiHall 1865

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.

†Tetragraptus bigsbyi Hall 1865
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Diagnosis
No diagnoses are available