| Description | Diplodocids, or members of the family Diplodocidae ("double beams"), are a group of sauropod dinosaurs. The family includes some of the longest creatures ever to walk the Earth, including Diplodocus and Supersaurus, some of which may have reached lengths of up to 34 metres (112Â ft).
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| Source Data | |
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| Rank | family (GBIF)
unranked clade (PBDB) |
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| Taxonomy (GBIF) | Life : Animalia : Chordata : Reptilia : Dinosauria : Diplodocidae |
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| Taxonomy (PBDB) | Life : Animalia : Chordata : Saurischia : Diplodocidae |
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| Taxonomic Status (GBIF) | accepted |
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Classification
(PBDB,GBIF) | |
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| Common Name | diplodocid |
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| Scientific Name | Diplodocidae |
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| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
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| Diplodocidae | family | belongs to Sauropoda | stated without evidence | Dollo, 1884 | | Diplodocidae | family | belongs to Sauropoda | stated with evidence | Zittel, 1890 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Winkler, 1893 | | Diplodocidae | family | belongs to Opisthocoelia | stated without evidence | Hay, 1902 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Mansel-Pleydell, 1902 | | Diplodocidae | family | belongs to Diplodocia | stated with evidence | Tornier, 1913 | | Diplodocidae | family | belongs to Allophagi | stated without evidence | Jaekel, 1914 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Huene, 1914 | | Diplodocidae | family | belongs to Sauropoda | stated with evidence | Lull, 1924 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Huene, 1927 | | Diplodocidae | family | belongs to Sauropoda | stated with evidence | Nopcsa, 1928 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Roxo, 1937 | | Diplodocidae | family | belongs to Sauropoda | stated with evidence | Kuhn, 1946 | | Diplodocidae | family | belongs to Homalosauropodidae | stated with evidence | Huene, 1948 | | Diplodocidae | family | belongs to Homalosauropodidae | stated without evidence | Young, 1958 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Huene, 1959 | | Diplodocidae | family | subjective synonym of Amphicoeliidae | stated with evidence | Kuhn, 1966 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Galton, 1977 | | Diplodocidae | family | subjective synonym of Atlantosauridae | stated without evidence | Bonaparte, 1978 | | Diplodocidae | family | belongs to Saurischia | stated without evidence | Madsen and Miller, 1979 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Bonaparte, 1980 | | Diplodocidae | family | belongs to Sauropoda | stated with evidence | Bonaparte, 1986 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Bakker, 1986 | | Diplodocidae | family | belongs to Sauropoda | implied | Carroll, 1988 | | Diplodocidae | family | belongs to Sauropoda | stated with evidence | Benton, 1990 | | Diplodocidae | family | belongs to Neosauropoda | stated without evidence | Wilson and Sereno, 1994 | | Diplodocidae | family | belongs to Diplodocimorpha | stated without evidence | Calvo and Salgado, 1995 | | Diplodocidae | family | belongs to Diplodocoidea | stated with evidence | Upchurch, 1995 | | Diplodocidae | family | belongs to Diplodocoidea | stated without evidence | Hunt et al., 1995 | | Diplodocidae | family | belongs to Neosauropoda | stated without evidence | Salgado et al., 1997 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | McIntosh, 1997 | | Diplodocidae | family | belongs to Diplodocoidea | stated with evidence | Dong, 1998 | | Diplodocidae | family | belongs to Diplodocoidea | stated without evidence | Wilson and Sereno, 1998 | | Diplodocidae | family | belongs to Diplodocimorpha | stated without evidence | Salgado, 1999 | | Diplodocidae | family | belongs to Diplodocoidea | stated with evidence | Sereno, 1999 | | Diplodocidae | family | belongs to Diplodocoidea | stated without evidence | Sereno et al., 1999 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Bonaparte, 1999 | | Diplodocidae | family | belongs to Diplodocoidea | stated with evidence | Wilson, 2002 | | Diplodocidae | family | belongs to Diplodocoidea | stated without evidence | ApesteguĂa, 2005 | | Diplodocidae | family | belongs to Flagellicaudata | stated without evidence | Gallina and ApesteguĂa, 2005 | | Diplodocidae | family | belongs to Diplodocoidea | stated without evidence | Remes, 2006 | | Diplodocidae | family | belongs to Flagellicaudata | stated without evidence | Salgado et al., 2006 | | Diplodocidae | family | belongs to Sauropoda | stated without evidence | Chure et al., 2006 | | Diplodocidae | family | belongs to Diplodocoidea | stated with evidence | Royo-Torres et al., 2007 | | Diplodocidae | family | belongs to Flagellicaudata | stated without evidence | Remes, 2007 | | Diplodocidae | family | belongs to Diplodocoidea | stated with evidence | Suteethorn et al., 2010 | | Diplodocidae | family | belongs to Flagellicaudata | stated with evidence | Whitlock, 2011 | | Diplodocidae | family | belongs to Diplodocoidea | stated with evidence | Wilson and Allain, 2015 | | Diplodocidae | unranked clade | belongs to Flagellicaudata | stated with evidence | Tschopp et al., 2015 |
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| Status (PBDB) | extinct |
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| Taxon Size (PBDB) | 30 |
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| First Recorded Appearance | 161 - 156 Ma
Jurassic |
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| Last Recorded Appearance | 93.5 - 89.3 Ma
Late/Upper Cretaceous |
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| Environment | terrestrial (based on Sauropoda) |
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| Motility | actively mobile (based on Sauropoda) |
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| Diet | herbivore (based on Sauropoda) |
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| Reproduction | oviparous, dispersal=direct/internal,mobile (based on Sauropoda) |
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| Ontogeny | accretion,modification of parts (based on Sauropoda) |
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| Taphonomy | hydroxylapatite,compact or dense,thick (based on Sauropoda) |
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| Primary Reference (PBDB) | O. C. Marsh. 1884. Principal characters of American Jurassic dinosaurs. Part VII. Diplodocidae, a new family of the Sauropoda. American Journal of Science 27:161-167 |
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| Common Name(s) | Diplodocid |
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| Wikipedia | https://en.wikipedia.org/wiki/Diplodocidae |
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Diplodocidae â
Barosaurus â
Mongolosaurus â
Supersaurus â
Albany County, Wyoming, USA