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Morphology Ecology and taphonomy   Age range and collections

Gothograptus

Pterobranchia - Bireclinata - Retiolitidae

Taxonomy
Gothograptus is a genus. It is not extant.

It was assigned to Plectograptinae by Lenz and Melchin (1987); and to Graptoloidea by Sepkoski (2002).

Synonymy list
YearName and author
1987Gothograptus Lenz and Melchin pp. 168-169
2002Gothograptus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumHemichordataBateson 1885
classPterobranchiaLankester 1877
classGraptolithina(Bronn 1849)
Graptoloida
Eugraptoloida
RankNameAuthor
Reclinata
superorderPanbireclinata
orderBireclinata
infraorderAxonophora(Frech 1897)
infraorderNeograptinaStorch et al. 2011
superfamilyRetiolitoideaLapworth 1873
familyRetiolitidaeLapworth 1873
subfamilyPlectograptinaeBoucek and M√ľnch 1952
genusGothograptus

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.

Diagnosis
ReferenceDiagnosis
A. C. Lenz and M. J. Melchin 1987Corona rounded, width nearly equal to maximum width of rhabdosome which is attained at the level of the first theca, composed of a few irregular clathrial lists. Coronal meshwork made finer through addition of reticular lists, but maintains two large, adjacent basal-lateral pores. Rhabdosome of most specimens narrow rapidly distally and thecae generally number 3-4 per side. Clathrial pattern complex and irregular; reticulum well developed, relatively fine, list widths becoming coarser with maturity. Thecae long, outer margins undulose (pi. 2, figs. 13,14), overall rather similar in profile to those of Pseudoglyptograptus, apertures generally horizontal. Meshwork of tubular appendix finer than that of more proximal regions. Virgula moves to ventral side early in development, but becomes attached to, and incorporated in, ventral wall about two-thirds along length of typical rhabdosome, then joined by alternating left and right bars for remainder of length; extends beyond rhabdosome. Seams of clathrium face in, and those of reticulum face out.