Alexandrinia

Alexandrinia is an extinct genus of stem-group mayflies which existed in what is now Russia and the United States during the Permian period. It was described by N. D. Sinitshenkova and D. V. Vassilenko in 2012, and contains four species: A. gigantea, A. directa,^[1] A. ipsa and A. vitta.^[2] The genus is named in honor of Russian entomologist Alexandr Rasnitsyn.^[1]

Phylum:Arthropoda

Clade:Pancrustacea

Class:Insecta

(unranked):Panephemeroptera

Quick facts Scientific classification, Type species ...

Alexandrinia Temporal range: Early Permian–Upper Permian PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	Pancrustacea
Class:	Insecta
(unranked):	Panephemeroptera
(unranked):	Ephemerida
(unranked):	†Permoplectoptera
Family:	†Protereismatidae
Genus:	†Alexandrinia Sinitshenkova & Vassilenko, 2012
Type species
Alexandrinia gigantea Sinitshenkova & Vassilenko, 2012
Species
Alexandrinia directa (Carpenter, 1979) Alexandrinia gigantea Sinitshenkova & Vassilenko, 2012 Alexandrinia ipsa Sinitshenkova, 2013 Alexandrinia vitta Sinitshenkova, 2013

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