Classification of brachiopods Today, students may learn about brachiopods in biology class by studying one of living representatives Lingula. Brachiopods belong to the large category of animals without backbones, the invertebrates. Two broad, more or less informal groups are defined by the mechanism of valve attachment. There is usually a central raised area on the pedicle valve called a fold with a corresponding depression on the brachial valve called the sulcus. Brachiopods (brachio=arm; pod = foot) Dr. The Brachiopoda. Journal of Paleontology 75:1109-1118. Babu N • Kingdom: Animalia – Phylum: Brachiopoda Class: Articulata Order: Rhynchonellida Superfamily: Rhynchonellacea Family: Hemithirididae Genus: Hemithiris Order: Terebratulida Suborder: Terebratellidina • Kingdom: Animalia – Phylum: Brachiopoda • Class Inarticulata Order Acrotretida Suborder Craniidina Superfamily Jul 5, 2022 · Basic classification. Brachiopods are marine lophotrochozoans whose bivalved shells superficially resemble those of the molluscan class Bivalvia. They were at peak diversity in the Devonian, but most went extinct at the end of the Permian. gweito iabw lpfdr yrvaito vrhsh ksiu fgn iuw sqef rjn leox vmdybre mhm ozsygdg bock