''Kilianella'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of the

ammonite Ammonoids are extinct, (typically) coiled-shelled cephalopods comprising the subclass Ammonoidea. They are more closely related to living octopuses, squid, and cuttlefish (which comprise the clade Coleoidea) than they are to nautiluses (family N ...

family

Neocomitidae Neocomitidae is a family of Lower Cretaceous Epoch, Lower Cretaceous Ammonitida, ammonitids comprising genera with strongly ribbed evolute (all whorls exposed) to smooth, fairly involute (inner whorls mostly hidden) shells. In the 1957 descripti ...

. The shell of ''Kilianella'' is evolute with a slightly grooved venter and covered by strong, gently flexious, single or bifurcating ribs. ''Kilianella'' has a widespread distribution on the

Lower Cretaceous Lower may refer to: * ''Lower'' (album), 2025 album by Benjamin Booker * Lower (surname) * Lower Township, New Jersey *Lower Receiver (firearms) * Lower Wick Gloucestershire, England See also * Nizhny {{Disambiguation ...

and has been found in the Upper

Berriasian In the geological timescale, the Berriasian is an age/ stage of the Early/Lower Cretaceous. It is the oldest subdivision in the entire Cretaceous. It has been taken to span the time between 143.1 ±0.6 Ma and 137.05 ± 0.2 (million years ago) ...

to Upper

Valanginian In the geologic timescale, the Valanginian is an age or stage of the Early or Lower Cretaceous. It spans between 137.05 ± 0.2 Ma and 132.6 ± 0.2 Ma (million years ago). The Valanginian Stage succeeds the Berriasian Stage of the Lower Cretac ...

of the Western U.S., Mexico, China, southern Asia, and Europe.

References

External links

Genus Killianella
in Ammonite

''Crioceratotes.free.fr''.
Paleobiology Database ''Kilianella'' entry
Early Cretaceous ammonites Ammonites of Europe Ammonitida genera Perisphinctoidea {{Ammonitina-stub