''Trachystegos'' is an extinct

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

microsaur Microsauria ("small lizards") is an extinct, possibly polyphyletic order of tetrapods from the late Carboniferous and early Permian periods. It is the most diverse and species-rich group of lepospondyls. Recently, Microsauria has been considered ...

within the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Pantylidae Pantylidae is an extinct family of lepospondyl amphibians and often considered a sister-group to the family Tuditanidae Tuditanidae is an extinct family of tuditanomorph microsaurs. Fossils have been found from Nova Scotia, Ohio, and the Cze ...

References

Microsauria Pennsylvanian tetrapods of North America Paleozoic life of Nova Scotia {{Paleo-tetrapod-stub