liik

Ctenoceras schmidti Noetling, 1884

Taksoni kirjeldused

Kröger & Isakar, 2006

Diagnosis. Ctenoceras with irregularly spaced annulations, with two to four annulations at a length equal to the diameter of the conch. Two or three ridges of the annulations occur between two subsequent suture lines. Apical angle between 2 and 7°. Adult dorsoventral shell diameter about 17 mm.

Sünonüümika

1877 Orthoceras verticillatum v. Hagenow — Krause , lk. 24-25

1880 Cycloceras hisingeri Boll — Schröder , lk. 62

1884 Ctenoceras schmidti sp. nov. — Noetling , lk. 116-122, joon. 16:7,8; 18:3-5a

1931 Ctenoceras schmidti Noetling — Troedsson , lk. 16

1962 Ctenoceras schmidti Noetling — Balashov & Zhuravleva , joon. 11:8

1964 Ctenoceras schmidti Noetling — Sweet , lk. 255, joon. 155:1a-c

1971 Ctenoceras schmidti Noetling — Neben & Krüger , lk. 17, joon. 14-15

1973 Ctenoceras schmidti Noetling — Neben & Krüger , lk. 81, joon. 14-17

1984 Ctenoceras schmidti Noetling — Dzik , lk. 97, 105, joon. 39, 66

2004 Ctenoceras schmidti Noetling, 1884 — Kröger , lk. 63, joon. 11A

Valik taksonit käsitlevast teaduskirjandusest

Kröger, B. 2007. Concentrations of juvenile and small adult cephalopods in the Hirnantian cherts (Late Ordovician) of Porkuni, Estonia. Acta Palaeontologica Polonica 52, 3, 591–608.

Kröger, B. 2004. Revision of Middle Ordovician orthoceratacean nautiloids from Baltoscandia. Acta Palaeontologica Polonica 49, 1, 57-74.

Klassifikatsioon

organismirühm	Biota
riik	Animalia
hõimkond	Mollusca
klass	Cephalopoda
alamklass	Orthoceratia
selts	Orthocerida
alamselts	Orthoceratina
sugukond	Orthoceratidae
alamsugukond	Orthoceratinae
perekond	Ctenoceras
liik	schmidti
	sweeti