| Lanthanosuchoids | |
|---|---|
 | |
| Restoration ofLanthanosuchus watsoni | |
Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | †Parareptilia |
| Order: | †Procolophonomorpha |
| Clade: | †Ankyramorpha |
| Superfamily: | †Lanthanosuchoidea Ivachnenko,1980 |
| Subgroups | |
Lanthanosuchoidea is anextinctsuperfamily ofankyramorphparareptiles from the middlePennsylvanian to the middleGuadalupianepoch (Moscovian[1] -Wordian stages) ofEurope,North America andAsia.[2] It was named by the Russian paleontologistIvachnenko in 1980, and it contains two familiesAcleistorhinidae andLanthanosuchidae.[3]
Lanthanosuchoidea is anode-based taxon defined in 1997 as "the most recent common ancestor ofLanthanosuchus,Lanthaniscus, andAcleistorhinus".[3] Thecladogram below follows the topology from a 2011 analysis by Rutaet al.[2]
| Lanthanosuchoidea | |
Thecladogram below follows the topology from a 2016 analysis by MacDougallet al.[4]
| Lanthanosuchoidea | |
However, the phylogenetic analysis conducted by Cisneroset al. (2021) did not recover a clade uniting lanthanosuchids and acleistorhinids to the exclusion of all other parareptiles. Instead, acleistorhinids were recovered as thesister group of the cladeProcolophonia, while lanthanosuchids were recovered within the procolophonian subgroupPareiasauromorpha.[5]
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