Didymograptus, graptolite
Didymograptus, Ordovician 'tuning-fork' planktonic graptolites. Graptolites are an extinct group of marine, colonial animals.
Size: 5495px × 4461px
Photo credit: © Natural History Museum, London / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: animal, colonial, dichograptidae, didymograptus, fossil, fossilised, graptolite, graptolithina, graptoloidea, hemichordata, invertebrata, invertebrate, marine, ordovician, paleozoic, phanerozoic, plankton, planktonic, prehistoric, prehistory
