Extinct genus of lizards
Macrorhineura Temporal range: Early Miocene
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Class:
Reptilia
Order:
Squamata
Family:
Rhineuridae
Genus:
† Macrorhineura MacDonald, 1970
Type species
† Macrorhineura skinneri MacDonald, 1970
Macrorhineura skinneri
Macrorhineura is an extinct genus of rhineurid amphisbaenian or worm lizard, including the type and only species Macrorhineura skinneri , named in 1970 on the basis of the front half of a skull from the Early Miocene Sharps Formation in Wounded Knee, South Dakota. Although the skull is incomplete, features such as a pointed, shovel-shaped snout indicate that it belongs to the family Rhineuridae. Within Rhineuridae, Macrorhineura is most closely related to Ototriton and Hyporhina , two genera from the Eocene and Oligocene of Colorado and Wyoming, based on the shared feature of equally sized dentary teeth in the lower jaw. Together they form a clade or evolutionary grouping of mid-continental rhineurids, which became isolated from a more western clade of rhineurids that includes Dyticonastis and Spathorhynchus . Rhineurids were relatively common across much of North America during the Paleogene, but their range contracted in the Neogene as the climate became colder, leaving only one living species in Florida, Rhineura floridana . The presence of Macrorhineura in the Miocene shows that mid-continental rhineurids persisted into the Neogene, although by this time their distribution range was already shrinking.[1]
^ Hembree, D.I. (2007). "Phylogenetic revision of Rhineuridae (Reptilia: Squamata: Amphisbaenia) from the Eocene to Miocene of North America". The University of Kansas Paleontological Contributions . 15 : 1–20.
Last Update: 2022-08-21T16:16:15Z
Macrorhineura is an extinct genus of rhineurid amphisbaenian or worm lizard, including the type and only species Macrorhineura skinneri, named in 1970...
Word Count : 217
Last Update: 2024-06-12T02:18:16Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 1743
Last Update: 2024-05-09T21:19:07Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 1492
Last Update: 2024-04-25T17:15:26Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 64
Last Update: 2024-05-28T15:42:55Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 3660
Last Update: 2024-01-15T19:39:39Z
†Archaerhineura †Dyticonastis †Hadrorhineura †Hyporhina †Jepsibaena †Macrorhineura †Ototriton †Plesiorhineura †Protorhineura Rhineura †Spathorhynchus...
Word Count : 703
Last Update: 2024-04-10T20:20:00Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 290
Last Update: 2022-09-17T00:38:59Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 218
Last Update: 2024-05-21T17:18:22Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 475
Last Update: 2023-11-24T03:45:42Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 643
Last Update: 2024-03-20T15:00:52Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 220
Last Update: 2024-02-22T06:33:08Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 668
Last Update: 2021-03-09T00:56:21Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 143
Last Update: 2024-01-22T03:24:57Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 559
Last Update: 2023-05-24T14:06:31Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 304
Last Update: 2024-01-02T08:23:24Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 212
Last Update: 2021-09-12T04:39:05Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 265
Last Update: 2024-05-31T18:45:06Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 218
Last Update: 2024-03-11T05:26:50Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 642
Last Update: 2022-02-05T08:35:11Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 214
Last Update: 2021-03-03T13:24:49Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 186
Last Update: 2023-04-03T15:49:51Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 267
Last Update: 2023-08-12T09:41:55Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 209
Last Update: 2024-01-04T04:48:36Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 324
Last Update: 2021-08-02T19:37:39Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 237
Last Update: 2023-11-07T21:26:48Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 106
Last Update: 2024-03-07T22:52:59Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 357
Last Update: 2023-11-07T07:14:26Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 366
Last Update: 2024-01-21T20:03:16Z
Rhineuridae Archaerhineura Dyticonastis Hadrorhineura Hyporhina Jepsibaena Macrorhineura Ototriton Plesiorhineura Protorhineura Spathorhynchus †Polyodontobaenidae...
Word Count : 660
Last Update: 2024-03-30T07:29:31Z
Wounded Knee Area. 11 jaw fragments (SDSM 5829). An iguanid lizard. Macrorhineura M. skinneri Wounded Knee, Shannon County, South Dakota. Anterior portion...
Word Count : 483