perekond

Striatocycloceras Kröger et Isakar, 2006

Taksoni kirjeldused

Kröger & Isakar, 2006

Diagnosis. Slender, circular or slightly compressed orthocones with asymmetrically curved septa and straight transverse or slightly oblique sutures. Sutures parallel, or nearly so, to the annulations. Annulations slightly irregularly spaced, with fine transverse ornament. Siphuncle eccentric, narrow, tubular or slightly expanded within the chambers. Septal necks orthochoanitic. Cameral and endosiphuncular deposits not known.

Valik taksonit käsitlevast teaduskirjandusest

Kröger, B., Aubrechtová, M. 2018. Cephalopods from reef limestone of the Vasalemma Formation, northern Estonia (latest Sandbian, Upper Ordovician) and the establishment of a local warm-water fauna. Journal of Systematic Palaeontology 16, 10, 799-839. DOI:10.1080/14772019.2017.1347212

Kröger, B. 2013. The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden. European Journal of Taxonomy 41, 41, 1-110. DOI:10.5852/ejt.2013.41

Kröger, B., Ebbestad, J. O. R., Högström, A. E. S., Frisk, Ǻ. M. 2011. Mass concentration of Hirnantian cephalopods from the Siljan District, Sweden; taxonomy, palaeoecology and palaeobiogeographic relationships. Fossil Record 14, 1, 35-53. DOI:10.1002/mmng.201000014

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., Isakar, M. 2006. Revision of annulated orthoceridan cephalopods of the Baltoscandic Ordovician. Fossil Record 9, 1, 137-163. DOI:10.1002/mmng.200600005

Teichert, C. 1930. Die Cephalopoden-Fauna der Lyckholm-Stufe des Ostbaltikums. Paläontologische Zeitschrift 12, 3/4, 264-312. DOI:10.1007/BF03044452

Eichwald, E. 1857. Beitrag zur geographischen Verbreitung der fossilen Thiere Russlands. Alte Periode. (Fortsetzung. S. Bulletin 1856. N 4. pag. 555.). Klasse der Cephalopoden. Bulletin of the Moscow Society of Naturalists. Geological series 30, I, 192-219.

Leitud liigid

1. Striatocycloceras foerstei (Teichert, 1930) | Vormsi lade

2. Striatocycloceras isbergi Kröger, 2013 | Vormsi lade

3. Striatocycloceras obliquum (Eichwald, 1857) | Nabala lade

4. Striatocycloceras romingeri (Foerste, 1932) | Haljala lade→Rakvere lade

5. Striatocycloceras undulostriatum (Hall, 1847) | Lasnamäe lade→Vormsi lade

Klassifikatsioon

organismirühm	Biota
riik	Animalia
hõimkond	Mollusca
klass	Cephalopoda
alamklass	Orthoceratia
selts	Orthocerida
alamselts	Orthoceratina
sugukond	Orthoceratidae
alamsugukond	Orthoceratinae
perekond	Ctenoceras
	Orthoceras
	Orthocycloceras
	Striatocycloceras
liik	foerstei
	isbergi
	obliquum
	romingeri
	undulostriatum