Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Tenontosauridae

Osteichthyes - Tenontosauridae

Taxonomy
Tenontosauridae was named by Czepiński and Madzia (2025). Its type is Tenontosaurus.

It was assigned to Rhabdodontomorpha by Czepiński and Madzia (2025).

Subtaxa
Convolosaurus, Iani, Tenontosaurus (type genus)

Synonymy list
YearName and author
2025Tenontosauridae Czepiński and Madzia p. 5

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Rhabdodontomorpha
familyTenontosauridae
familyTenontosauridae

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. †Tenontosauridae Czepiński and Madzia 2025
show all | hide all
G. †Convolosaurus Andrzejewski et al. 2019
hide
†Convolosaurus marri Andrzejewski et al. 2019
G. †Iani Zanno et al. 2023
hide
†Iani smithi Zanno et al. 2023
G. †Tenontosaurus Ostrom 1970
hide
†Tenontosaurus dossi Winkler et al. 1997
†Tenontosaurus tilletti Ostrom 1970
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Maximum body mass: 3000 kgg
Minimum body mass: 1000 kgg
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: gregariouso
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: herbivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 20:40:05
Modified: 2009-01-03 22:40:05
Source: g = genus, subo = suborder, o = order
References: Kiessling 2004, Benton 1983, Marsh 1875, Peczkis 1995

Age range: base of the Late/Upper Aptian to the top of the Early/Lower Cenomanian or 119.57000 to 93.90000 Ma

Collections (84 total)


Time interval Ma Country or state Original ID and collection number
Aptian121.4 - 113.2USA (Montana) Tenontosaurus tilletti (137607)
Aptian - Early/Lower Albian121.4 - 110.1USA (Wyoming) Tenontosaurus tilletti (50354 50355)
Aptian - Early/Lower Albian121.4 - 110.1USA (Montana) Tenontosaurus tilletti (25077 50347)
Aptian - Albian121.4 - 100.5USA (Oklahoma) Tenontosaurus sp. (24178 223864 223866)
Aptian - Albian121.4 - 100.5USA (Montana) Tenontosaurus sp. (50692) Tenontosaurus tilletti (50543 50684 50685 50686 50687 50690 50691 50710 50713 50719 50720 137617)
Aptian - Albian121.4 - 100.5USA (Wyoming) Tenontosaurus tilletti (102299 137567)
Aptian - Albian121.4 - 100.5USA (Utah) Tenontosaurus sp. (60814 97951 103969)
Late/Upper Aptian119.57 - 113.2USA (Texas) Hypsilophodon sp. (22713) Tenontosaurus dossi (52895)
Late/Upper Aptian119.57 - 113.2USA (Maryland) Tenontosaurus sp. (14376 47347)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (Oklahoma) Tenontosaurus sp. (14374 14392 199750)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (Texas) Camptosauridae indet. (14375) Tenontosaurus sp., Camptosauridae indet. (14388)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (Montana) Tenontosaurus tilletti (229407)
Early/Lower Albian113.2 - 110.1USA (Texas) Tenontosaurus sp. (199751)
Albian113.2 - 100.5USA (Montana) Camptosaurus sp. (50529) Tenontosaurus sp. (50537 50695) Tenontosaurus tilletti (50481 50482 50483 50488 50491 50492 50503 50525 50526 50527 50531 50538 50539 50540 50696 50701 50702 50706 50707 50718 52436)
Albian113.2 - 100.5USA (Wyoming) Tenontosaurus sp. (50487) Tenontosaurus tilletti (50500)
Albian113.2 - 100.5USA (Arizona) Iguanodontidae indet. (32298) Ornithischia indet. (32296)
Middle Albian - Early/Lower Cenomanian110.1 - 93.9USA (Montana) Camptosaurus sp. (25076) Ornithopoda indet. (50478) Tenontosaurus sp. (50471 50473 50479 50501 50697 50698) Tenontosaurus tilletti (47346 50348 50474 50477 50490 50541)
Middle Albian - Early/Lower Cenomanian110.1 - 93.9USA (Wyoming) Tenontosaurus sp. (50350) Tenontosaurus tilletti (50498)
Late/Upper Albian106.3 - 100.5USA (Utah) Tenontosaurus sp. (224187)
Late/Upper Albian - Early/Lower Cenomanian106.3 - 93.9USA (Idaho) Tenontosaurus sp. (53338)
Early/Lower Cenomanian100.5 - 93.9USA (Utah) Ornithopoda indet. (228452)