Dinocaridida
Dinocaridida is a proposed extinct taxon of fossil arthropod-like marine animals found, with one exception, in the Cambrian and Ordovician. It is subdivided into the anomalocaridids and the opabinids....
Dinocaridida - Wikipedia
Graptolithinia
Graptolithina is a class in the animal phylum Hemichordata, the members of which are known as graptolites. Graptolites are fossil colonial animals known chiefly from the Upper Cambrian through the Lo...
Graptolithinia - Wikipedia
Temnocidaris
Temnocidaris is an extinct genus of echinoid that lived from the Late Cretaceous to the Paleocene. Its remains have been found in Europe and North America.
Temnocidaris - Wikipedia
Invertebrate paleontology
Invertebrate paleontology (also spelled Invertebrate palaeontology) is sometimes described as Invertebrate paleozoology or Invertebrate paleobiology.Whether it is considered to be a subfield of paleon...
Invertebrate paleontology - Wikipedia
Echinocorys
Echinocorys is an extinct genus of echinoid that lived from the Late Cretaceous to the Paleocene. Its remains have been found in Asia, Europe, and North America.
Echinocorys - Wikipedia
Plumulites
Plumulites canadensis is a member of the machaeridian family and existed from 480 million years ago until about 250 million years ago. This armoured annelid worm is the relative of the modern-day eart...
Actinocrinites
Actinocrinites is an extinct genus of crinoid from the Early Carboniferous of Europe and North America.
Actinocrinites - Wikipedia
Staurocumites
Staurocumites is an extinct genus of sea cucumber which existed in Europe during the Triassic and Jurassic periods. The type species is Staurocumites bartensteini.
Diraphora
Diraphora is an extinct genus of brachiopod that lived in the Cambrian. Its remains have been found in Australia and North America. 664 specimens of Diraphora are known from the Greater Phyllopod bed,...
Cladochonus
Cladochonus is an extinct genus of tabulate coral.
Cladochonus - Wikipedia
Doleorthis
Doleorthis is an extinct genus of brachiopod. It has two protective, grooved shells. It may have eaten small, planktonik animals, filtered from the water using a primitive baleen system. It was roughl...
Doleorthis - Wikipedia
Blastoid
Blastoids (class Blastoidea) are an extinct type of stemmed echinoderm. Often called sea buds, blastoid fossils look like small hickory nuts. They first appear, along with many other echinoderm classe...
Blastoid - Wikipedia
Aglaocrinus
Aglaocrinus is an extinct species of crinoidea in the Cladia order. It has been proposed that it was a blind, stationary (attached) suspension feeder the hard parts of which were composed of magnesium...
Cyathocrinites
Cyathocrinites is an extinct genus of crinoid that lived from the Early Silurian to the Late Permian in Europe and North America.
Torellella
Torellella is a genus of problematic tubicolous fossils. They have slightly conical, phosphatic tubes with elliptical cross-section. Their fossils are known from the Cambrian.
Torellella - Wikipedia
Priscopedatus
Priscopedatus is an extinct genus of sea cucumber which existed in Poland during the Triassic period. The type species is Priscopedatus pyramidalis. It also contains the species Priscopedatus normani,...
Aaglacrinus
Aaglacrinus is an extinct species of crinoidea in the Cladia order. It has been proposed that it was a stationary (attached) suspension feeder the hard parts of which were composed of magnesium calcit...
Marywadea
Marywadea is a genus of Ediacaran biota shaped like an oval with a central ridge. It is a bilaterian organism as evidenced by its symmetry. The fossil has an asymmetrical first chamber of the quilt. I...
Platystrophia
Platystrophia is an extinct genus of brachiopod that lived from the Ordovician to the Silurian in Asia, Europe, North America, and South America It has a prominent sulcus and fold. It usually lived in...
Kingena
Kingena is an extinct genus of brachiopod that lived from the Cretaceous to the early Paleocene in Antarctica, Europe, North America, and New Zealand.
Kingena - Wikipedia
Ailsacrinus
Ailsacrinus is an extinct genus of crinoid from the Middle Jurassic of Europe.
Choia
Choia is a genus of extinct demosponge ranging from the Cambrian until the Lower Ordovician periods. Fossils of Choia have been found in the Burgess Shale in British Columbia; the Maotianshan shales ...
Choia - Wikipedia
Phymosoma
Phymosoma is an extinct genus of echinoid that lived from the Cretaceous to the Eocene. Its remains have been found in Asia, Europe, and North America.
Phymosoma - Wikipedia
Sagenocrinites
Sagenocrinites is an extinct genus of crinoid from the Silurian of North America.
Sagenocrinites - Wikipedia