Ecphora is a genus of extinct predatory ocenebrinid murexes indigenous to the North American Eastern Seaboard from Miocene until their extinction during the Pliocene.
Monograptus
Monograptus is a genus of graptolites in the Order Graptoloidea.
Ecphora
Ecphora is the common name for a group of extinct predatory marine gastropod mollusks within the family Muricidae, the rocks snails or murexes.
Redlichia
Redlichia is a genus of redlichiid trilobite in the family Redlichiidae, with large to very large species (up to 35 centimetres or 14 inches long).
Hyperlioceras
Hyperlioceras is an extinct genus of cephalopod included in the ammonitid family Graphoceratidae that lived during the Bajocian stage of the Middle Jurassic.
Acanthodiscus
Acanthodiscus is an extinct ammonoid cephalopod genus from the order Ammonitida and included in the persphinctacean family Berriasellidae.
Pachydiscus
Pachydiscus is an extinct genus of ammonite from the Upper Cretaceous with a world-wide distribution, and type for the desmoceratacean family Pachydiscidae.
Kepplerites
Kepplerites is a moderately evolute ammonite from the lower Callovian (upper Middle Jurassic) included in the Stephanocerataceae.
Olenellus
Olenellus is an extinct genus of redlichiid trilobites, with species of average size (about 5 centimetres or 2.0 inches long).
Marsupites
Marsupites is an extinct genus of crinoid from the Cretaceous.
Cyrtograptus
Cyrtograptus is an extinct genus of graptolite.
Phyllograptus
Phyllograptus is a graptolite genus of the order Graptoloidea, in the family Phyllograptidae.
Psiloceras
Psiloceras is an extinct genus of cephalopod belonging to the ammonite subclass.
Paradeshayesites
Paradeshayesites is an extinct genus of cephalopod belonging to the Ammonite subclass.
Discoaster
Discoaster is a genus of extinct star-shaped marine algae, with calcareous exoskeletons of between 5-40 μm across that are abundant as nanofossils in tropical deep-ocean deposits of Neogene age.
Trisecphora
Trisecphora is a genus of extinct predatory ocenebrinid murexes indigenous to the Miocene coastline of what is now Maryland, North Carolina, and Virginia from the Aquitanian epoch until their extinction near the end of the Serravallian epoch.