Subject ASC0000h2t
Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology.
v. 2 (1829), Page 336 (1829)
Natural History Museum Library, London
BHL Page 2309103
Keywords
section animal Shell Fossils flint Animal silicious specimen geological microscopic view concentric laminae layers laminae fibres retiform parenchyma zoopyte ventriculites zoophyte fossil anatomy of ventriculites of Mantel monoliform concentric arrangement fossel paleontological specimen