In biological classification , a subfamily ( Latin : subfamilia , plural subfamiliae ) is an auxiliary (intermediate) taxonomic rank , next below family but more inclusive than genus . Standard nomenclature rules end botanical subfamily names with "-oideae", and zoological subfamily names with "-inae".
4-626: Opisthocoelicaudiinae is a subfamily of titanosaurian dinosaurs from the Late Cretaceous . It was named by John McIntosh in 1990. Opisthocoelicaudiines are known from Mongolia , Argentina , and the United States . Two genera were assigned to Opisthocoelicaudiinae by Gonzalez et al. (2009): Alamosaurus and Opisthocoelicaudia (the type genus ), a conclusion also found by Díez Díaz et al. (2018). The hands of opisthocoelicaudiines lacked wrist bones and phalanges . It
8-412: Is a stub . You can help Misplaced Pages by expanding it . Subfamily Detarioideae is an example of a botanical subfamily. Detarioideae is a subdivision of the family Fabaceae (legumes), containing 84 genera. Stevardiinae is an example of a zoological subfamily. Stevardiinae is a large subdivision of the family Characidae , a diverse clade of freshwater fish . This biology article
12-520: The clade name Opisthocoelicaudiidae for the group, limiting Saltasauridae to Gondwanan taxa. Opisthocoelicaudiinae in a cladogram after Navarro et al ., 2022: Opisthocoelicaudia Nemegtosaurus Alamosaurus Baurutitan Ibirania Bonatitan Rocasaurus Neuquensaurus MACN-PV-RN 233 Saltasaurus [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] [REDACTED] This Sauropodomorph -related article
16-518: Was suggested by Averianov and Lopatin in 2022 that Opisthocoelicaudia was not in fact closely related to Saltasaurus , and instead to Nemegtosaurus and Quaesitosaurus , which are both also Laurasian , as well as isolated teeth from the Turonian of Uzbekistan and the Santonian of Kazakhstan . Suggesting a more distant relationship to Saltasaurus , Averianiov and Lopatin suggested using
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