Acanthochirana

Acanthochirana is an extinct genus of prawn that existed during the upper Jurassic period.^[3] It was named by E. Strand in 1928, and its type species is Acanthochirana cordata.^[2][4] They are distinguished from the related genus Aeger by the presence of teeth on the rostrum, which are absent in Aeger.^[5]

Acanthochirana Temporal range: Jurassic PreꞒ Ꞓ O S D C P T J K Pg N
Acanthochirana longipes
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Dendrobranchiata
Family:	†Aegeridae
Genus:	†Acanthochirana Strand, 1928 [1][2]

Species

As of 2014^[update], Acanthochirana includes six to seven species:^[6][a]

• Acanthochirana angulata (Oppel, 1862)
• Acanthochirana cenomanica (Glaessner, 1946)^[a]
• Acanthochirana cordata (Münster, 1839)^[b]
• Acanthochirana krausei (Förster, 1967)
• Acanthochirana liburiansis (Garassino, Audo, Charbonnier & Schweigert, 2014)
• Acanthochirana smithwoodwardi (Van Straelen, 1940)
• Acanthochirana triassica (Garassino, Schweigert & Muscio, 2013)

Notes

1. A. cenomanica is considered a subjective junior synonym of A. smithwoodwardi.^[6][7]
2. Type species; syn. A longipes^[2][6]