Ein besonders instruktives exemplar unter den medusenabdrücken aus dem kambrischen sandstein bei Lugnås | Libros

Fossil Medusæ

Charles D. Walcott

1898

Pennsylvanian invertebrates of the Mazon Creek, area, Illinois: the Essex fauna and medusae

Johnson, Ralph Gordon

1968

Über eine coronate Qualle (Ephyropsites jurassicus) aus dem Kalkschiefer

Ludwig v. Ammon

1908

Fossil jellyfishes from Kansas Pennsylvanian rocks and elsewhere

Horacio Jaime Harrington

1955

Middle Cambrian holothurians and medusae

Charles D. Walcott

1911

Über fossile medusen

Alexander Brandt

1871

Fossil jelly fishes from the middle Cambrian terrane

Charles D. Walcott

1896

Notice of jelly fishes in the Carboniferous of Nebraska, Medusina walcotti

Erwin Hinckley Barbour

1914