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Limnostygis Temporal range: Pennsylvanian 314.6–307 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Superclass:	Tetrapoda
Genus:	†Limnostygis Carroll, 1967
Type species
†L. relictus Carroll, 1967

Limnostygis is a dubious genus of tetrapod from the Pennsylvanian of Nova Scotia. The fragmentary holotype specimen was found in a fossilized tree stump in the Morien Group. Formerly thought to be a limnoscelid, this specimen has since been considered to be a combination of possible ophiacodont and captorhinid material.

References

1. Wideman, Natalia Kazimiera (2002). The postcranial skeleton of the family Limnoscelidae and its taxonomic implications for understanding basal amniotes (Thesis). California State University.
2. Wideman, Natalia Kazimiera; Sumida, Stuart (2004). "Taxonomic status of the tetrapod Limnostygis relictus and its bearing on the temporal distribution of basal amniotes". Journal of Vertebrate Paleontology. 24 (3, Supplement): 129A.

v t e Reptiliomorpha (Pan‑Amniota)
Kingdom: Animalia Phylum: Chordata Clade: Osteichthyes Clade: Sarcopterygii Clade: Tetrapoda Tetrapodomorpha see Tetrapodomorpha Reptiliomorpha see below↓ Reptiliomorpha / Pan-Amniota
Reptiliomorpha †Caerorhachis? †Casineria? †Eldeceeon? †Romeriscus †Silvanerpeton? †Solenodonsaurus? †Termonerpeton? †Westlothiana? †Embolomeri? †Gephyrostegidae? †Chroniosuchia? Laosuchus Bystrowianidae Axitectum Bystrowiana Bystrowiella Dromotectum Hassiacoscutum Jiyuanitectum Synesuchus Yumenerpeton Chroniosuchidae Chroniosaurus Chroniosuchus Ingentidens Jarilinus Madygenerpeton Phratochronis Suchonica Uralerpeton †Seymouriamorpha? Ariekanerpeton Biarmica Discosauriscus Enosuchus? Karpinskiosaurus Kotlassia Leptoropha Makowskia Microphon Nyctiboetus Seymouria Spinarerpeton Utegenia Volgerpeton Waggoneria "Microsauria"? see Microsauria possibly includes Lissamphibia Amniota †Diadectomorpha? Limnoscelis? Tseajaia Diadectidae Alveusdectes Ambedus Desmatodon Diadectes Diasparactus Kuwavaatakdectes Orobates Phanerosaurus Stephanospondylus †"Protorothyrididae" Anthracodromeus Brouffia Cephalerpeton Coelostegus Hylonomus Paleothyris Protorothyris Thuringothyris †Araeoscelidia Aphelosaurus Araeoscelis Dictybolos? Halgaitosaurus Kadaliosaurus Petrolacosaurus Spinoaequalis? Zarcasaurus †Captorhinidae Acrodenta Baeotherates Captorhinoides Captorhinus Euconcordia? Labidosauriscus Labidosaurus Opisthodontosaurus? Protocaptorhinus Puercosaurus? Reiszorhinus Rhiodenticulatus Rhodotheratus Riabininus? Romeria Saurorictus Moradisaurinae Balearosaurus Captorhinikos Gansurhinus Gecatogomphius Indosauriscus Kahneria Labidosaurikos Moradisaurus Rothianiscus Sumidadectes Tramuntanasaurus Amniota (crown group) Synapsida (Pan‑Mammalia) see Synapsida includes mammals Sauropsida (Pan‑Reptilia) see Sauropsida includes reptiles and birds
See also: Labyrinthodontia Lepospondyli Anthracosauria Batrachosauria Cotylosauria Eureptilia

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