ecofactbook
/
species
/
Animalia
/
Brachiopoda
/
Rhynchonellata
/
Orthida
/
Archaeorthidae
/
Archaeorthis
/
Archaeorthis biconvexa
Archaeorthis canadensis
Archaeorthis costellata
Archaeorthis crassa
Archaeorthis elongata
Archaeorthis glomerata
Archaeorthis intermedia
Archaeorthis occidens
Archaeorthis parviuscula
Eoorthis christianiae
Orthis electra
about
Archaeorthis biconvexa