Cyptendoceras Ulrich & Foerste 1936
- Dataset
- Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities
- Rank
- GENUS
Classification
- phylum
- Mollusca
- class
- Cephalopoda
- order
- Tetrabranchia
- family
- Cyptendoceratidae
- genus
- Cyptendoceras
diagnosis
Diagnosis Straight, slender, depressed conchs with short camerae; sutures with ventral lobe, in some forms also dorsal lobe; siphuncle ventral with tubular or faintly concave segments; short septal necks; endosiphuncular rod; cameral deposits adjacent to siphuncle are present (adopted from Flower 1964).
type_taxon
Type species Cyptendoceras ruedemanni Ulrich & Foerste, 1936; from Fort Cassin Formation, Floian Stage, from near Fort Cassin, Vermont, USA; by original designation.