Metadata changes

Title

SpeNuciuloceras Tstempllaterum

Attachment changes

• 82 Cravenoceratoides cf. stellarum_pl20_f1xOK_900x600_900x600.jpg: Attachment has been added

Object changes

Object number 0 of type Species.SpeciesClass modified

Autekologia

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	1	+\\

Diagnoza

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	1	+Conch probably subglobose; relatively small and very narrow or closed umbilicus; transverse striae, broadly convex towards the front, very fine, bifurcating several times; rib direction essentially radial, non-crenulate on shell surfaces; umbilical margin in the adult is very frequently raised into a rounded rim across which the ribs pass without weakening.\\

Literatura

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	1	+Bisat, W.S. 1932. On some lower Sabdenian goniatites. //Transactions of the Leeds Geological Association// 5: 27-36.
	2	+
	3	+Korejwo, K. 1986. Biostratigraphy of the Carboniferous deposits of the Świdnik blocks (Lublin Coal Basin). //Acta Geologica Polonica// 36 (4): 337-346.
	4	+
	5	+\\

Materiały muzealne

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	1	+One specimen figured in Korejwo, 1986.

Holotyp

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	1	+Holotype: Geol.Surv. GB 49969.

Locus typicus

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	1	+Great Britain

Stratum typicum

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	1	+Carboniferous

Porównanie

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	1	+Differs from //C. nititoides// and all //Cravenoceratoides// by its weak, rather coarse spiral ornament; //N. nuculum// lacks the raised umbilical rim at the shell surface, though a rim is sometimes apparent on the solid internal cast.\\

Gatunek

Nuculoceras stellarum

Występowanie geograficzne

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	1	+Great Britain (Staffordshire, Yorkshire), Belgium (Namur), Germany (Rhenish Slate Mts.) and Poland (Lublin Coal Basin).

Zasięg czasowy

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	1	+Carboniferous; C. nititoides – N .nuculum zones

Object number 0 of type Species.ImageInfoClass added

attachmentRef

82 Cravenoceratoides cf. stellarum_pl20_f1xOK_900x600_900x600.jpg