''Heinzia'' is an extinct ammonoid cephalopod genus belonging to the family
Pulchelliidae.
They lived during the
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...
, in the
Barremian
The Barremian is an age in the geologic timescale (or a chronostratigraphic stage) between 129.4 ± 1.5 Ma ( million years ago) and 121.4 ± 1.0 Ma). It is a subdivision of the Early Cretaceous Epoch (or Lower Cretaceous Series). It is pre ...
age.
[
]
Distribution
Fossils of species within this genus have been found in the Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...
sediments of Colombia, France, Italy, Morocco and Spain.[
]
References
Crioceratites
* Jean Vermeulen
Origine, classification et évolution des Pulchellinae (Douville) 1911 emend. Vermeulen 1995 (Pulchelliidae, Endemoceratoidea)
* C. W. Wright, J. H. Calloman and M. K. Howarth, 199
Treatise on invertebrate paleontology, volume 4 : cretaceous ammonoidea
* Vermeulen, Jean., 1995
A new division in three parts of the Pulchelliidae family Ammonoidea
Riviera Scientifique, 65-80
Ammonitida genera
Endemoceratoidea
Cretaceous ammonites
Ammonites of Europe
Paja Formation
{{Ammonitina-stub