Fissuravis ("fissure bird") is a genus of extinct bird from the Paleocene of Germany. A lithornithid, it was closely related to modern ratites, but it was a capable flyer.[1]
| Fissuravis Temporal range: Paleocene
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Infraclass: | Palaeognathae |
| Order: | †Lithornithiformes |
| Family: | †Lithornithidae |
| Genus: | †Fissuravis (Gerald Mayr, 2007)[1] |
| Species | |
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†Fissuravis weigelti | |
Ecology
editHailing from the Walbeck Paleocene deposits, it is found amidst a rich avian fauna, which also included the gigantic Gastornis and the enigmatic ratite Remiornis.
Like most lithornithids, it was probably a very competent flyer, its coracoid remnants suggesting powerful flight musculature, and it likely engaged in a similar style of soaring flight to Lithornis and Pseudocrypturus.[1]