Incertae sedis
Incertae sedis (Latin for "of uncertain placement") is a term used for a taxonomic group where its broader relationships are unknown or undefined. Alternatively, such groups are frequently referred t...
Incertae sedis - Wikipedia
Scientists Discover How Some Of The World’s First Animals Reproduced
Rangeomorphs, which lived about 565 million years ago, were pretty strange. They're often considered to be some of the first animals to evolve on Earth, but they share little in common with modern cri...
Nectocarididae
Nectocaris pteryx is a species of possible cephalopod affinity, known from the "early Cambrian" (Series 2) Emu Bay Shale and Chengjiang biota, and the "middle Cambrian" (Series 3, Stage 5) Burgess Sha...
Nectocarididae - Wikipedia
Scientists Discover How Some Of The World’s First Animals Reproduced
Rangeomorphs, which lived about 565 million years ago, were pretty strange. They're often considered to be some of the first animals to evolve on Earth, but they share little in common with modern cri...
Cynomorium coccineum
Cynomorium coccineum is a parasitic perennial flowering plant in the Cynomoriaceae, a family consisting of only one (or perhaps two) species in the genus Cynomorium. Its wider relationships are uncert...
Cynomorium coccineum - Wikipedia
Yuyuanozoon
Yuyuanozoon magnificissimi is the largest known vetulicolian, with the holotype (and only known specimen) measuring about 202 millimeters in length. In life, it would have been an egg-shaped animal w...
Yuyuanozoon - Wikipedia
Antofagastaichthys
Antofagastaichthys is an extinct genus of prehistoric bony fish that lived during the Oxfordian stage of the Late Jurassic epoch of what is now Chile.
Antofagastaichthys - Wikipedia
Opabinia
Opabinia regalis is an extinct stem-arthropod found in the Middle Cambrian Burgess Shale Lagerstätte of British Columbia, Canada. Fewer than twenty good specimens have been described; 3 specimens of ...
Opabinia - Wikipedia
Funisia
Funisia is a genus containing the single species F. dorothea, a fossil upright worm-like animal from the Ediacaran biota. Funisia stood about 0.3 metres tall. Because individuals grew in dense c...
Funisia - Wikipedia
Resilitheca
Resilitheca is a genus of land plant known from kidney-shaped sporangia. It is known from charcoalified Early Devonian deposits, its type locality being the Brown Clee Hill lagerstätten.
Microschedia
Microschedia is an enigmatic fossil bilaterian known from four specimens from Lower Cambrian deposits in Morocco.
The fossils are approximately discoid, and covered with a net-like pattern. Fine ...
Microschedia - Wikipedia
Aluvarus
Aluvarus praeimperialis is an extinct bony fish, known from two headless fossil specimens found in the Elam Formation, a Lower Oligocene stratum from the Rupelian epoch, of what is now Iran. A. praei...
Aluvarus - Wikipedia
Thectardis
Thectardis avalonensis is a triangular-shaped member of the Ediacara biota, dating from 575 to 565 million years ago. The organism took the form of an elongated cone with a central depressio...
Thectardis - Wikipedia
Cyclomedusa
Cyclomedusa is a circular fossil of the Ediacaran biota; it has a circular bump in the middle and as many as five circular growth ridges around it. Many specimens are small, but specimens in excess ...
Cyclomedusa - Wikipedia
Antimanoa
Antimanoa is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the class is unknown (incertae sedis), and it has not yet been placed with certainty into an...
Ovatoscutum
Ovatoscutum is one of many enigmatic organisms known from the Ediacaran deposits of the Flinders Ranges, Australia, and the White Sea area in Russia, dating around 555 Ma. This genus contains one spec...
Ovatoscutum - Wikipedia
Mawsonites
Mawsonites is a kind of fossil from 630 – 542 million years ago during the Precambrian era. The fossils consist of a rounded diamond shape, made up from lobes radiating out from a central circle roug...
Mawsonites - Wikipedia
Gymnocodiaceae
This family of alga is known from Permian to Cretaceous strata. It has been aligned with the chlorophytes and rhodophytes; whilst the latter is the most widely held opintion, some authors still consid...
Cornulites
Cornulites (Schlotheim, 1820) is a genus of cornulitid tubeworms. Their shells have vesicular wall structure, and are both externally and internally annulated. They usually occur as encrusters on vari...
Cornulites - Wikipedia
Palaeopascichnus
Palaeopascichnus is a genus of Ediacaran organism comprising a series of lobes; it is plausibly a protozoan, but probably unrelated to the classical 'Ediacaran biota'.
List of Ediacaran genera
Black bass
Micropterus is a genus of freshwater fish in the sunfish family (family Centrarchidae) of order Perciformes. The species of this genus are known as the black basses.The black basses are sometimes err...
Black bass - Wikipedia
Yunnanozoon
Yunnanozoon lividum ("Livid Animal of Yunnan") is an extinct deuterostome suspected of being either a hemichordate or chordate, from the Lower Cambrian, Chengjiang biota of Yunnan province, China.Yunn...
Yunnanozoon - Wikipedia
Punctaconchus
Punctaconchus is a genus of microconchid tubeworms. Their tubes have large pores (punctae) penetrating the tube wall. Tubes lumen is covered byripplemark−like transverse ridges. Punctaconchus occurs i...
Punctaconchus - Wikipedia
Breagyps
Breagyps, is an extinct genus of New World vulture in the family Cathartidae.
Breagyps - Wikipedia
Chondroplon
Chondroplon bilobatum is a medusoid Ediacaran fossil.It has sand-filled tubes, although these may not have been sand-filled in life. It has a shield-like shape, with one end different from the other,...
Casineria
Casineria is an extinct genus of tetrapod which lived about 340 million years ago in the Mississippian epoch. Its name, Casineria, is a latinization of Cheese Bay, the site near Edinburgh, where it w...
Casineria - Wikipedia
Eoandromeda
Eoandromeda is an Ediacaran organism consisting of eight radial spiral arms, and known from two taphonomic modes: the standard Ediacara type preservation in Australia, and as carbonaceous compressions...
Eoandromeda - Wikipedia
Vernanimalcula
Vernanimalcula guizhouena is an acritarch dating from 600 to 580 million years ago; it was between 0.1 and 0.2 mm across (roughly the width of one or two human hairs). Vernanimalcula me...
Vernanimalcula - Wikipedia