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Orthograptus eucharis

Pterobranchia - Diplograptoidea - Diplograptidae

Taxonomy
Retiograptus eucharis was named by Hall (1865).

It was recombined as Glossograptus eucharis by Ruedemann (1908); it was recombined as Lasiograptus (Thysanograptus) eucharis by Ruedemann (1947); it was recombined as Orthograptus eucharis by Goldman (1995).

Synonymy list
YearName and author
1865Retiograptus eucharis Hall p. 146 figs. PI. 14, fig. 9
1908Glossograptus eucharis Ruedemann pp. 397-400 figs. text-fig. 346, not text-figs. 347-352, PI. 26, figs. 18, 19, PI. 27, figs. 11-13.
1947Lasiograptus (Thysanograptus) eucharis Ruedemann pp. 461-462 figs. PI. 82, fig. 1, not PI. 81, fig. 33, PI. 82, figs. 1-26.
1995Orthograptus eucharis Goldman pp. 530 - 532 figs. 15.6, 15.7, 17.1-17.4

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumHemichordataBateson 1885
classPterobranchiaLankester 1877
RankNameAuthor
classGraptolithina(Bronn 1849)
orderDiplograptoidea()
familyDiplograptidae
subfamilyOrthograptinae
genusOrthograptusLapworth 1873
specieseucharis()

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
D. Goldman 1995Rhabdosomes small, narrow, parallel sided; th 1l with apertural spine, thl2 lacking a spine, subsequent thecae with paired apertural spines. Periderm attenuated.