| Fumicollis | |
|---|---|
 | |
| Reconstructed Skeleton | |
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Clade: | Avialae |
| Clade: | †Hesperornithes |
| Family: | †Hesperornithidae |
| Genus: | †Fumicollis Bell andChiappe, 2015 |
| Type species | |
| †Fumicollis hoffmani Bell and Chiappe, 2015 | |
Fumicollis is agenus of prehistoricflightless birds from the LateCretaceous (Coniacian-Santonian)Niobrara Chalk ofKansas.
Diagnostic traits ofFumicollis include presacralvertebrae with expanded ventral processes, an elongatepelvis with reducedacetabulum (acetabulum width: pelvis length is approximately 0.096 meters), a femur with expanded lateral condyle (transverse extent of condyle over 75% of midshaft width) and moderately expanded trochanter. The genus name refers to the Smoky Hill Chalk Member of the Niobrara Chalk in which it was found.[1]
The holotype ofFumicollis,USNM 20030, was found by Harold Shepherd and George Sternberg in 1937 in the Smoky Hill Member of the Niobrara Chalk of Logan County, Kansas. Martin and Tate (1937) referred this specimen toBaptornis, also from the Niobrara Chalk.[2] However, Bell (2013) noted a number of characters distinguishing USNM 20030 fromBaptornis, and Bell andChiappe (2015) recognized it as a distinct taxon ofhesperornithiform, which they namedFumicollis hoffmani.[1]
In 2015, a species-level phylogenetic analysis found the following relationships among hesperornitheans.[3]
| Hesperornithes |
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