Taxonomy
Genus: Kosmoclymenia
Subfamily: Kosmoclymeniinae
Family: Kosmoclymeniidae
Superfamily: Clymeniaceae
Suborder: Clymeniina
Clymeniids with thinly discoidal, typically 'clymenoid' conch (pachyconic or globular in some derived forms), wide umbilicus, very low whorl overlap, and low to moderate whorl expansion rate. Basic sutural formula [L] I, many modifications during phylogeny (development of external, adventive, and umbilical lobes). Septa in early forms simple-domed without inflexion; derived forms with anticlastically folded septa. Ornament with convex, concavo-convex or slightly biconvex growth lines. Ribs present in many species.
Klug & Korn, 2002, Ammoneae Devonicae, Chapter 9
Order: Clymeniida
Ammonoids with dorsal siphuncle. Conchs thinly discoidal to pachyconic, umbilicus very wide to closed. Low to deep imprint zone, and low to moderately high whorl expansion rate. Basic sutural formula [L] I, many modifications during phylogeny (development of external, adventive, and umbilical lobes). Septa in early forms simple-domed without inflexion; derived forms with anticlastically folded septa. Ornament rarely with convex, mostly with concavo-convex or biconvex growth lines. Weak ribs present in many species.
Klug & Korn, 2002, Ammoneae Devonicae, Chapter 8
Stratigraphy
Period: Devonian
Stage: Famennian
Substage: Upper Famennian
Locality
Country of origin: Morocco
Department/District of origin: Tinghir
Locality of origin: Fezzou-Alnif
Miscellaneous
Collection number: 392
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