or clade. Therefore, some protists may be more closely related to animals, plants, or fungi than they are to other protists. However, like algae, invertebrates...

A protist (/ˈproʊtɪst/ PROH-tist) or protoctist is any eukaryotic organism that is not an animal, land plant, or fungus. Protists do not form a natural...

climate and human activity. Paleovirology Protists in the fossil record List of prehistoric foraminiferans The Micropalaeontological Society Drewes, Charlie...

Gunflint microfossils Macrofossil Protists in the fossil record Protist shell Scale microfossils Small carbonaceous fossil Slater, Ben J.; Harvey, Thomas...

Coccolithophore shells Many protists have protective shells or tests, usually made from silica (glass) or calcium carbonate (chalk). Protists are a diverse group...

living fossil is an extant taxon that phenotypically resembles related species known only from the fossil record. To be considered a living fossil, the fossil...

Legouta, Anton (2003-03-31). "Ediacaran biota: The dawn of animal life in the shadow of giant protists". Paleontological Research. 7 (1): 43–54. doi:10...

Paleobotany studies fossil plants, algae, and fungi. Palynology, the study of pollen and spores produced by land plants and protists, straddles paleontology...

A protist (/ˈproʊtɪst/) is any eukaryotic organism (one with cells containing a nucleus) that is not an animal, plant, or fungus. The protists do not form...

as the Cambrian explosion. Most of the currently existing body plans of animals first appeared in the fossil record of the Cambrian rather than the Ediacaran...

aesthetically interesting protists both alive and in the fossil record. They occupy an important role ecologically and have done so since the Precambrian. There...

typically macroscopic. Most protists are single-celled and microscopic. But there are exceptions. Some single-celled marine protists are macroscopic. Some marine...

correspond to the articulated ones. This type of symmetry is not typical in animals; instead, it has been observed in other vendobionts, protists, multicellular...

are single-celled organisms, members of a phylum or class of Rhizarian protists characterized by streaming granular ectoplasm for catching food and other...

unicellular predatory protists encased in elaborate globular shells usually made of silica and pierced with holes. Their name comes from the Latin for "radius"...

Paleodictyon nodosum may actually be a large protist. There are other known examples of protists reaching the sizes that Paleodictyon reaches, and they are...

Roy E.; Wagner, Peter J. (2006). "Round up the Usual Suspects: Common Genera in the Fossil Record and the Nature of Wastebasket Taxa". Paleobiology. 32...

The small shelly fauna, small shelly fossils (SSF), or early skeletal fossils (ESF) are mineralized fossils, many only a few millimetres long, with a...

The silicoflagellates (order Dictyochales) are a small group of unicellular photosynthetic protists, or algae, belonging to the supergroup of eukaryotes...

are typically unicellular. Unicellular eukaryotes are sometimes called protists. Eukaryotes can reproduce both asexually through mitosis and sexually through...

Marine protists Marine protists are defined by their habitat as protists that live in marine environments, that is, in the saltwater of seas or oceans...

discipline is the scientific study of prehistoric invertebrates by analyzing invertebrate fossils in the geologic record. By invertebrates are meant the non-vertebrate...

Journal of Foraminiferal Research, Cushman Foundation Loeblich & Tappin, 1964. Treatise on Invertebrate Paleontology, Part C Protists in the fossil record...

Thomas Cavalier-Smith in 1991 to refer to a group of basal protists that later proved not to form a clade. This group had the rank of phylum and contained...

protists, but recent studies in marine environments found mixotrophic protests contribute a significant part of the protist biomass. Since protists are...

photosynthetic unicellular and multicellular protists that are related to land plants. The thallus of the unicellular mermaid's wineglass, Acetabularia...

within Bilateria. Animals first appear in the fossil record in the late Cryogenian period, and diversified in the subsequent Ediacaran. Earlier evidence...

at all. Fossils which can be reliably related to extant tintinnids (e.g. fossils of agglutinated lorica) are in the fossil record during the Jurassic...

of molluscs are recognized. The number of fossil species is estimated between 60,000 and 100,000 additional species. The proportion of undescribed species...

is therefore paraphyletic. The holozoan protists play a crucial role in understanding the evolutionary steps leading to the emergence of multicellular...