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Ichthyornis

Ichthyornis (meaning "fish bird", after its fish-like vertebrae) is an extinct genus of toothy seabird-like ornithuran from the Late Cretaceous of North America. Its fossil remains are known from the chalks of Alberta, Alabama, Kansas (Greenhorn Limestone), New Mexico, Saskatchewan, and Texas, in strata that were laid down in the Western Interior Seaway…

History, History of study & Description

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Overview

Description

Timespan and evolution

History of study

Classification

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Ichthyornis

Nodes83
Edges82
Triples110
Avg. degree1.98
Density0.024096
Components1

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Ichthyornis

Top relations

related to history · 28
Ichthyornis → Academy, American West, Benjamin Franklin Mudge, Bone Wars, Clidastes, Colonosaurus, Cope, Cope's, Edward Drinker Cope, Gregory, However, It, Kansas, Kansas State Agricultural College, Later, Marsh, Marsh's, Mesozoic, Mudge, Natural Sciences
related to Classification · 27
Ichthyornis → All, Ambiortus, Apatornis, Austinornis, Aves, Bissekty Formation, Clarke, Cretaceous, Graculavus, Guildavis, However, Iaceornis, Ichthyornithes, Ichthyornithidae, Ichthyornithiformes, ICZN, In Clarke's, It, Julia Clarke, Kyzyl Kum
related to Timespan and evolution · 19
Ichthyornis → Both, Campanian, Canada, Cenomanian, Coniacian, Even, Greenhorn Formation, In, It, Kansas, Niobrara Chalk, Pierre Shale, Saskatchewan, Specimens, The, There, Turonian, Western Interior Seaway, YPM
related to Mounted specimens · 16
Ichthyornis → At, Both, By, Great Hall, Hugh Gibb, Jacques Gauthier, Julia Clarke, Later, Marsh's, Natural History, Peabody Museum, Peabody Museum's, The, This, Two, Yale University
related to External links · 6
Ichthyornis → Dinosaurs, Kansas, Late Cretaceous, Mike Everhart, Oceans, Retrieved
related to Description · 5
Ichthyornis → An, Cretaceous, It, The, They
is a · 1
Ichthyornis → common component of the Niobrara Formation fauna

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Important terminology

marsh bird species dispar specimens teeth known modern birds late specimen fossils cretaceous important evolution mudge found one remains genus

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Ichthyornisis acommon component of the Niobrara Formation fauna0.90text
gullsinstance ofDescriptionIt is thought that Ichthyornis was the Cretaceous ecological equivalent of modern seabirds0.80text
petrelsinstance ofDescriptionIt is thought that Ichthyornis was the Cretaceous ecological equivalent of modern seabirds0.80text
and skimmersinstance ofDescriptionIt is thought that Ichthyornis was the Cretaceous ecological equivalent of modern seabirds0.80text
the enantiornithinesinstance ofUnlike earlier avialans0.80text
the species appears to have matured to adulthood in a rather shortinstance ofUnlike earlier avialans0.80text
continuous process.A study on an Ichthyornis endocast reveals that it had a relatively basal brain compared to modern birdsinstance ofUnlike earlier avialans0.80text
similar to that of Archaeopteryxinstance ofUnlike earlier avialans0.80text
other non-avian theropodsinstance ofUnlike earlier avialans0.80text
Ichthyornisrelated to ClassificationAves0.60section
Ichthyornisrelated to ClassificationIt0.60section
Ichthyornisrelated to ClassificationCretaceous0.60section

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