''Annea'' is an extinct genus of
carpet shark
Carpet sharks are sharks classified in the order (biology), order Orectolobiformes . Sometimes the common name "carpet shark" (given because many species resemble ornately patterned carpets) is used interchangeably with "wobbegong", which is the ...
from the
middle Jurassic epoch of the
Jurassic period
The Jurassic ( ) is a geologic period and stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately 143.1 Mya. The Jurassic constitutes the second and m ...
. It is currently known by two species. ''A. carinata'' is known from the upper
Aalenian
The Aalenian () is a subdivision of the Middle Jurassic Epoch/Series of the geologic timescale that extends from about 174.7 ±0.8 Ma to about 170.9 ±0.8 Ma (million years ago). It was preceded by the Toarcian and succeeded by the Bajocian.
St ...
and lower
Bajocian
In the geologic timescale, the Bajocian is an age and stage in the Middle Jurassic. It lasted from approximately 170.9 ±0.8 Ma to around 168.2 ±1.2 Ma (million years ago). The Bajocian Age succeeds the Aalenian Age and precedes the Bathonia ...
of
Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
. ''A. maubeugei'' is known from the middle
Toarcian
The Toarcian is, in the International Commission on Stratigraphy, ICS' geologic timescale, an age (geology), age and stage (stratigraphy), stage in the Early Jurassic, Early or Lower Jurassic. It spans the time between 184.2 Megaannum, Ma (million ...
of
Belgium
Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeas ...
. Its name honors Dr. P. L. Maubeuge, who studied the Jurassic of Lorraine in which this species was found. This genus appears to exhibit
heterodonty
In anatomy, a heterodont (from Greek, meaning 'different teeth') is an animal which possesses more than a single tooth morphology.
Human dentition is heterodont and diphyodont as an example.
In vertebrates, heterodont pertains to animals where ...
.
[Delsate, D., and D. Thies. 1995. Teeth of the fossil shark ''Annea'' Thies 1983 (Elasmobranchii, Neoselachii) from the Toarcian of Belgium. ''Belgian Geological Survey, Professional Paper'' 278: 45–64.]
References
Orectolobiformes
Jurassic sharks
Fossil taxa described in 1983
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