| 释义 |
- Archosauromorphs Newly named pseudosuchians Newly named non-avian dinosaurs
- Sauropterygia New taxa
- Plants Pteridophyta
- References
{{Year nav topic5|1890|paleontology|science}}{{Year in paleontology header|1890}}ArchosauromorphsNewly named pseudosuchians | | | Name | Status | Authors | Age | Unit | Location | Notes |
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Suchodus[1]Valid Richard LydekkerMiddle Jurassic (Callovian) Oxford Clay Formation{{Flag|France}}
{{Flag|UK}}A metriorhynchid thalattosuchian. |
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Newly named non-avian dinosaurs | | | Name | Status | Authors | Age | Unit | Location | Notes | Images |
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BarosaurusValid Othniel Charles Marsh | Kimmeridgian-TithonianMorrison Formation- {{Flag|United States}} ({{Flag|South Dakota}} and {{Flag|Utah}})
A very long-necked diplodocid. | ClaosaurusValid Othniel Charles Marsh | Late Cretaceous (Coniacian-Santonian) Niobrara Formation{{Flag|United States}}A hadrosaur. | OrnithomimusValid Othniel Charles Marsh | Late Cretaceous (Lancian) Lance Formation{{Flag|United States}}{{Flag|Canada}}{{Flag|China}}An ornithomimid. | |
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SauropterygiaNew taxa | | |
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| Name | Status | Authors | Age | Unit | Location | Notes |
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AnarosaurusValid Dames | Middle Triassic Karlstadt Formation
Lower Muschelkalk {{Flag|Germany}}
{{Flag|Netherlands}}A pachypleurosaur. | |
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PlantsPteridophyta| Name | Status | Authors | Age | Unit | Location | Notes | Images |
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Azollophyllum primaevum[2]jr synonym Ypresian (Early Eocene) Allenby Formation{{flag|Canada}}redescribed in 1955 by Arnold as Azolla primaeva | |
References{{Portal|Paleontology}}1. ^Lydekker, R. 1890, Catalogue of the Fossil Reptilia and Amphibia in the British Museum (Natural History), Part IV. Containing the orders Anomodontia, Ecaudata, Caudata, and Labyrinthodonta, and Supplement, p. 1-295.
2. ^{{cite journal |last1=Arnold |first1=C.A. |year=1955 |title=A Tertiary Azolla from British Columbia |journal= Contributions from the Museum of. Paleontology, University of Michigan |volume=12 |issue=4 |pages=37–45 |url= http://deepblue.lib.umich.edu/bitstream/2027.42/48289/2/ID129.pdf}}
1 : 1890 in paleontology |