External link - related glossary terms
Bannisdale formation: Discophyllum peltatum Hall, 1847
Upper Tiouririne formation: Discophyllum peltatum Hall, 1847
First Bani group: Discophyllum peltatum Hall, 1847
Maotianshan shale: Eldonia eumorpha (Sun & Hou, 1987)
Burgess shale: Eldonia ludwigii Walcott, 1911
Siligir formation: Eldonia ludwigii Walcott, 1911
Marjum formation: Eldonia ludwigii Walcott, 1911
Spence shale: Eldonia ludwigii Walcott, 1911
Maotianshan shale: Maoyanidiscus grandis (Sun & Hou, 1987)
Kaili formation: Pararotadiscus guizhouensis (Zhao and Zhu 1994)
Hatch siltstone formation: Paropsonema crytophya Clarke, 1900
Nunda formation: Paropsonema crytophya Clarke, 1900
Genesee group: Paropsonema crytophya Clarke, 1900
Melbourne formation: Paropsonema mirabile (Chapman, 1926)
Lower Ktaoua formation: Praeclarus vanroii MacGabhann, 2012
Bardahessiagh formation: Seputus pomeroii MacGabhann and Murray, 2010
Ociesęki sandstone formation: Velumbrella czarnockii Stasińska, 1960
Słowiec sandstone formation: Velumbrella czarnockii Stasińska, 1960