''Aeger libanensis'' is a species of

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

prawn Prawn is a common name for small aquatic crustaceans with an exoskeleton and ten legs (which is a member of the order decapoda), some of which can be eaten. The term "prawn"Mortenson, Philip B (2010''This is not a weasel: a close look at nature ...

belonging to the family

Aegeridae Aegeridae is a family (biology), family of fossil Dendrobranchiata, prawns. It contains two genera, ''Aeger'' and ''Acanthochirana''. References

Dendrobranchiata Prehistoric crustacean families Middle Triassic first appearances Late Cret ...

. These prawns had very long pereiopods.

Fossil record

Fossils of ''Aeger libanensis'' are found in the

Cenomanian The Cenomanian is, in the ICS' geological timescale, the oldest or earliest age of the Late Cretaceous Epoch or the lowest stage of the Upper Cretaceous Series. An age is a unit of geochronology; it is a unit of time; the stage is a unit in the s ...

(

Late Cretaceous The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', the ...

) marine outcrops at

Hjoula Hjoula ( ar, حجولا) is a municipality in the Byblos District of Keserwan-Jbeil Governorate, Lebanon. It is 70 kilometers north of Beirut. Hjoula has an elevation of between 920 and 1,100 meters above sea level. Hjoula has a total land area o ...

and

Mayfouq Mayfouq ( ar, ميفوق) is a village and municipality in the Byblos District of Keserwan-Jbeil Governorate, Lebanon. It is located 64 km north of Beirut. Mayfouq has an average elevation of 860 meters above sea level and its total land area ...

in Lebanon (age range: from 93.9 to 100.5 million years ago.).Paleobiology Database
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Bibliography

* Alessandro Garassino
The macraran decapod crustaceans of the Upper Cretaceous of Lebanon
* Roger (J.), 1946 - Les invertébrés des couches à poissons du Crétacé supérieur du Liban. Mémoires de la Société géologique de France, t. 23, mém. 51, p. 1-92 * Víctor M. Bravo-Cuevas, Katia A. González-Rodríguez, Carlos Esquivel-Macías, Christopher Fielit
Advances on Stratigraphy and Paleontology of the Muhi Quarry from the Mid-Cretaceous (Albian-Cenomanian) of Hidalgo, Central Mexico

References

Dendrobranchiata Fossil taxa described in 1946 Prehistoric crustaceans {{paleo-crustacean-stub