Extinct genus of reptiles
Hallopus Temporal range: Late Jurassic,
155.7–145.5 Ma
PreꞒ
Ꞓ
O
S
D
C
P
T
J
K
Pg
N
Hallopus victor skeletal reconstruction
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Reptilia
Clade :
Archosauria
Clade :
Pseudosuchia
Clade :
Crocodylomorpha
Family:
† Hallopodidae
Genus:
† Hallopus Marsh, 1881
Type species
† Nanosaurus victor Marsh, 1881
Synonyms
Macelognathus vagans ? Marsh, 1884
Nanosaurus victor Marsh, 1877
Hallopus was a prehistoric reptile, named in 1877 as a species of Nanosaurus and classified as a genus by O. C. Marsh in 1881 from the Late Jurassic Morrison Formation. Today though the animal is thought to be a pseudosuchian more closely related to crocodilians. It was redescribed as a sphenosuchian crocodylomorph in 1970, now thought to be a paraphyletic group. It was a quite small animal, reaching a length of 1 m (3.3 ft) with long and slender limbs. Macelognathus , a similarly slender-proportioned crocodylomorph to Hallopus , may be synonymous with it.
Last Update: 2023-12-13T23:42:23Z
slender-proportioned crocodylomorph to Hallopus , may be synonymous with it. The holotype specimen of Hallopus was discovered by near Canyon City, Colorado...
Word Count : 2248
Last Update: 2024-06-03T20:13:06Z
the work of Marsh and Peter M. Galton, involving the genera Laosaurus, Hallopus , Drinker, Othnielia, and Othnielosaurus, the latter three now being considered...
Word Count : 2175
Last Update: 2024-06-24T04:20:14Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 396
Last Update: 2024-02-03T18:31:38Z
Naturalienkabinett. In a lecture on 9 October 1911, Fraas referred to it by the name "Hallopus celerrimus", considering it a jumping form of dinosaur that was approximately...
Word Count : 1692
Last Update: 2024-06-24T08:29:13Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 15113
Last Update: 2024-06-24T08:36:02Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 2024
Last Update: 2024-04-08T17:17:41Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 3041
Last Update: 2024-06-21T15:21:56Z
Hallopodidae Temporal range: Late Jurassic Hallopus victor front and hind limb Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata...
Word Count : 69
Last Update: 2024-06-24T04:10:37Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 462
Last Update: 2024-06-25T10:40:18Z
nudum; junior synonym of Gryposaurus Hadrosaurus Haestasaurus Hagryphus Hallopus – subsequently found to be a crocodylomorph Halszkaraptor Halticosaurus...
Word Count : 9958
Last Update: 2024-02-27T22:49:23Z
Cursorial mesosuchians, or small terrestrial running crocs, included Hallopus victor and Fruitachampsa callisoni. More derived crocodilians included...
Word Count : 2899
Last Update: 2024-04-21T11:11:19Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 735
Last Update: 2024-04-29T07:38:18Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 4315
Last Update: 2024-02-27T16:26:57Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 2451
Last Update: 2023-08-14T08:20:38Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 797
Last Update: 2024-05-18T02:41:18Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 1664
Last Update: 2024-04-12T05:35:33Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 354
Last Update: 2024-06-24T05:05:33Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 814
Last Update: 2024-05-04T20:34:03Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 236
Last Update: 2023-11-27T14:26:35Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 2531
Last Update: 2024-06-18T17:18:51Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 496
Last Update: 2024-03-23T14:05:41Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 1454
Last Update: 2024-03-19T19:00:13Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 641
Last Update: 2024-03-13T16:45:29Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 1759
Last Update: 2024-02-15T14:36:25Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 388
Last Update: 2024-06-12T10:15:05Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 1496
Last Update: 2024-04-20T08:29:14Z
(1989). Postilla Number 203[dead link]. Williston, S. W. (1905). The Hallopus , Baptanodon, and Atlantosaurus beds of Marsh. The Journal of Geology, 13(4)...
Word Count : 423
Last Update: 2024-04-28T12:34:30Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 602
Last Update: 2024-04-19T17:09:12Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 1687
Last Update: 2024-06-21T13:44:17Z
†Trialestes †Saltoposuchidae Litargosuchus Saltoposuchus Terrestrisuchus †Hallopodidae Almadasuchus Hallopus Macelognathus †Thalattosuchia see Thalattosuchia...
Word Count : 756