Orthida
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Orthida is an extinct order of brachiopods which appeared during the Early Cambrian period and became very diverse by the Ordovician, living in shallow-shelf seas. Orthids are the oldest member of the subphylum Rhynchonelliformea (Articulate Brachiopods), and is the order from which all other brachiopods of this group stem.
Orthida is an extinct order of brachiopods which appeared during the Early Cambrian period and became very diverse by the Ordovician, living in shallow-shelf seas. Orthids are the oldest member of the subphylum Rhynchonelliformea (Articulate Brachiopods), and is the order from which all other brachiopods of this group stem.
Suborder Dalmanellidina
Superfamily Dalmanelloidea Family Dalmanellidae Family Angusticardiniidae Family Dicoelosiidae Family Harknessellidae Family Heterorthidae Family Hypsomyoniidae Family Kayserellidae Family Mystrophoridae Family Paurorthidae Family Platyorthidae Family Portranellidae Family Proschizophoriidae Family Rhipidomellidae Family Tyronellidae Superfamily Enteletoidea Family Enteletidae Family Draboviidae Family Chrustenoporidae Family Linoporellidae Family Saukrodictyidae Family Schizophoriidae
Notes
Text derived from https://en.wikipedia.org/w/index.php?oldid=1361655561 under CC BY-SA 4.0; modifications have been made.