Graptolithina
Species

Rectograptus amplexicaulis (Hall, 1847)

https://files.geocollections.info/large/7c/b6/7cb6d459-dd74-432d-9c49-f8d2ef4bfe35.jpghttps://files.geocollections.info/large/c5/43/c5436305-7843-492a-b378-275b7548a91c.jpghttps://files.geocollections.info/large/b2/01/b201548e-e818-4830-8cc9-8e3909d7d132.jpghttps://files.geocollections.info/large/1f/03/1f0348b9-3379-4b95-9351-95e72d75ef22.jpg
Synonymy list
1847     Graptolites amplexicaule sp. nov — Hall , pp. 78-80, 316 , fig. pl. 26, figs 11a, b
1908     Diplograptus (Glyptograptus) amplexicaulis (Hall) — Ruedemann
1983     Orthograptus amplexicaulis (Hall, 1847) — Williams & Bruton , pp. 180 , fig. Figs 20F-M, 21A-0, 23A-C
2007     Rectograptus amplexicaulis (Hall, 1865) — Nõlvak & Goldman , fig. 3:1-4
Classification
Organism groupBiota
KingdomAnimalia
PhylumHemichordata
ClassPterobranchia
SubclassGraptolithina
OrderGraptoloidea
SuborderAxonophora
InfraorderDiplograptina
SubfamilyPeiragraptinae
GenusRectograptus
Speciesamplexicaulis
gracilis
perexcavatus