swap_horiz Ichthyornis dispar Alternatives
Looking for alternatives to Ichthyornis dispar? Compare the top Fossil options ranked by our AI scoring system.
Ichthyornis dispar
Ichthyornis dispar, a toothed Cretaceous seabird from Kansas described by Marsh in 1872, was among the earliest Mesozoic bird fossils found in North America and demonstrated that some ancient birds retained reptilian teeth alongside modern flight anatomy.
apps Top Ichthyornis dispar Alternatives
The top alternative to Ichthyornis dispar in 2026 is Deinonychus antirrhopus (YPM 5205) with a score of 9.1/10, followed by Triceratops horridus (USNM 1201) (9.0) and Parasaurolophus walkeri (8.8).
Deinonychus antirrhopus (YPM 5205)
Deinonychus antirrhopus was a dromaeosaurid theropod dinosaur from the Early Cretaceous of western North America. Yale s...
Triceratops horridus (USNM 1201)
Triceratops horridus was a large herbivorous ceratopsid dinosaur from the latest Cretaceous of western North America. It...
Parasaurolophus walkeri
Parasaurolophus walkeri is a species of large herbivorous hadrosaurid dinosaur from the Late Cretaceous of western North...
Pteranodon longiceps
Pteranodon longiceps is a large toothless pterosaur from the Late Cretaceous of central North America, especially deposi...
Ankylosaurus magniventris
Ankylosaurus magniventris was a large armored dinosaur from the latest Cretaceous of western North America. It had a bro...
Confuciusornis sanctus
Confuciusornis sanctus, an Early Cretaceous bird from China's Yixian Formation, is one of the most abundantly preserved...
Hesperornis regalis
Hesperornis regalis, a large flightless diving bird from the Late Cretaceous of North America described by Othniel Marsh...
Archelon ischyros (YPM 3000)
Archelon ischyros was a giant marine turtle from the Late Cretaceous Western Interior Seaway of North America. Unlike mo...
Acrocanthosaurus atokensis
Acrocanthosaurus atokensis was a large predatory theropod that lived in North America during the Early Cretaceous. Fossi...
Elasmosaurus platyurus
Elasmosaurus platyurus was a Late Cretaceous marine reptile from the Western Interior Seaway of North America. This ples...
Pachycephalosaurus wyomingensis
Pachycephalosaurus wyomingensis was a large pachycephalosaurid dinosaur from the latest Cretaceous rocks of western Nort...
Deinosuchus riograndensis
Deinosuchus riograndensis was a giant alligatoroid crocodilian that lived in western North America during the Late Creta...
Vegavis iaai
Vegavis iaai is an extinct bird from the latest Cretaceous of Antarctica, known from fossils found in the López de Berto...
Titanis walleri
Titanis walleri, a large phorusrhacid terror bird from the Pliocene–Pleistocene of Florida and Texas, is notable as one...
Jeholornis prima
Jeholornis prima is an early bird known from Early Cretaceous fossils discovered in northeastern China and formally desc...
Diatryma gigantea
Diatryma gigantea is an obsolete name historically applied to the giant flightless bird now generally called Gastornis g...
Sapeornis chaoyangensis
Sapeornis chaoyangensis is an early avialan known from Early Cretaceous fossils discovered in Liaoning, China, and named...
Iberomesornis romerali
Iberomesornis romerali is an extinct species of basal bird that lived during the Early Cretaceous period. Its fossil rem...
Patagopteryx deferrariisi
Patagopteryx deferrariisi is an extinct species of flightless bird that inhabited what is now Argentina during the Late...
Presbyornis pervetus
Presbyornis pervetus is an extinct species of waterfowl from the Eocene epoch, with fossils primarily discovered in Nort...
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