Siphluriscidae is a family of mayflies. It contains a single extant species, Siphluriscus chinensis, which is native to Vietnam and China.Van Vinh Nguyen, Van Hieu Nguyen and Yeon Jae Bae, A Rare Mayfly Siphluriscus chinensis Ulmer (Ephemeroptera: Siphluriscidae) from Vietnam Entomological Research Bulletin 31(1): 56-57 (2015) It is thought to be the most primitive living lineage of mayflies. A fossil genus, Stackelbergisca is known from several species from the Jurassic and Early Cretaceous of Asia. A second species of Siphluriscus, S. davidi was later assigned to the genus Siphlonurus.
Taxonomy
Siphluriscus Ulmer, 1920 Siphluriscus chinensis Ulmer, 1920 China, Vietnam Stackelbergisca Tshernova 1967 Stackelbergisca clara Sinitshenkova 2000 Doronino Formation, Russia, Early Cretaceous (Barremian) Stackelbergisca cylindrata Zhang 2006 Daohugou, China, Middle Jurassic Stackelbergisca shaburensis Sinitshenkova 1991 Ichetuy Formation, Russia, Late Jurassic (Oxfordian) Stackelbergisca sibirica Tshernova 1967 Uda Formation, Russia, Late Jurassic (Oxfordian/Kimmeridgian)
References