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Pseudisograptus hastatus

Pterobranchia - Graptoloidea - Glossograptidae

Taxonomy
Isograptus hastatus was named by Harris (1933) [= Didymograptus manubriatus T. S. Hall (pars), T. S. Hall, Proc. Roy. Soc. Vict., vol. 27 (n.s.), 1914, p. 108, pl. 17, fig. 13, non fig. 12. D. manubriatus Keble and Benson, Trans. N.Z. Inst., vol. 59, 1929, p. 853, pl. 104, fig. 8. Didymograptus manubriatus T. S. Hall (pars), T. S. Hall, Proc. Roy. Soc. Vict., vol. 27 (n.s.), 1914, p. 108, pl. 17, fig. 13, non fig. 12. D. manubriatus Keble and Benson, Trans. N.Z. Inst., vol. 59, 1929, p. 853, pl. 104, fig. 8. Didymograptus manubriatus T. S. Hall (pars), T. S. Hall, Proc. Roy. Soc. Vict., vol. 27 (n.s.), 1914, p. 108, pl. 17, fig. 13, non fig. 12. D. manubriatus Keble and Benson, Trans. N.Z. Inst., vol. 59, 1929, p. 853, pl. 104, fig. 8. Didymograptus manubriatus T. S. Hall (pars), T. S. Hall, Proc. Roy. Soc. Vict., vol. 27 (n.s.), 1914, p. 108, pl. 17, fig. 13, non fig. 12. D. manubriatus Keble and Benson, Trans. N.Z. Inst., vol. 59, 1929, p. 853, pl. 104, fig. 8. Didymograptus manubriatus T. S. Hall (pars), T. S. Hall, Proc. Roy. Soc. Vict., vol. 27 (n.s.), 1914, p. 108, pl. 17, fig. 13, non fig. 12. D. manubriatus Keble and Benson, Trans. N.Z. Inst., vol. 59, 1929, p. 853, pl. 104, fig. 8. Didymograptus manubriatus T. S. Hall (pars), T. S. Hall, Proc. Roy. Soc. Vict., vol. 27 (n.s.), 1914, p. 108, pl. 17, fig. 13, non fig. 12. = Didymograptus manubriatus Keble and Benson 1929, Trans. N.Z. Inst., vol. 59]. It is not extant.

It was recombined as Pseudisograptus hastatus by Cooper (1979).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1933Isograptus hastatus Harris p. 104 figs. 33, 34
1979Pseudisograptus hastatus Cooper

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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
subfamilyKalpinograptinaeQiao 1977
genusPseudisograptus
specieshastatus(Harris 1933)

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.

Pseudisograptus hastatus Harris 1933
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Diagnosis
No diagnoses are available