''Ifasya'' is an extinct genus of

prawns Prawn is a common name for small aquatic crustaceans with an exoskeleton and ten legs (members of the order of decapods), some of which are edible. The term ''prawn''Mortenson, Philip B (2010''This is not a weasel: a close look at nature's most ...

. It contains the species ''Ifasya madagascariensis'' and ''Ifasya straelini'', and was named in 1995 by Alessandro Garassino and Giorgio Teruzzi. It existed in

Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...

during the

Lower Triassic The Early Triassic is the first of three epoch (geology), epochs of the Triassic Period (geology), Period of the geologic timescale. It spans the time between 251.9 annum, Ma and Ma (million years ago). Rocks from this epoch are collectively kno ...

period.

References

Penaeidae Prehistoric crustacean genera Triassic crustaceans Prehistoric animals of Madagascar Fossil taxa described in 1995 {{Dendrobranchiata-stub