Both Anisacanthus and Holodiscus are what level of classification?
Holodiscus Holodiscus (syn. "Sericotheca") is a genus of flowering plants in the family Rosaceae, native to the Americas, from southwestern British Columbia, Canada and the western United States south to Bolivia.
Acleistorhinidae Acleistorhinidae is an extinct family of Early Permian-aged (Artinskian to Kungurian stage) lanthanosuchoid parareptiles. Presently, the clade consists of only two taxa, "Colobomycter" and "Acleistorhinus", both collected from the Permian of Oklahoma. Sister taxa include "Chalcosaurus", "Lanthaniscus" and "Lanthanosuchus".