| Cyclammina Temporal range: | |
|---|---|
 | |
| Cyclammina pusilla | |
| Scientific classification | |
| Domain: | |
| (unranked): | |
| (unranked): | |
| Phylum: | |
| Class: | |
| Subclass: | |
| Order: | |
| Family: | |
| Subfamily: | |
| Genus: | Cyclammina Brady, 1876 [1] |
| Species | |
Several, including:
| |
Cyclammina is a genus of foraminifers in the family Cyclamminidae. Most species are extinct, but there are a few that are extant.
C. elegans was a species from the Cretaceous of Trinidad [2] and from New Zealand. [3]
Oonopidae, also known as goblin spiders, is a family of spiders consisting of over 1,600 described species in about 113 genera worldwide, with total species diversity estimated at 2000 to 2500 species. The type genus of the family is OonopsKeyserling, 1835.
Foraminifera are single-celled organisms, members of a phylum or class of Rhizarian protists characterized by streaming granular ectoplasm for catching food and other uses; and commonly an external shell of diverse forms and materials. Tests of chitin are believed to be the most primitive type. Most foraminifera are marine, the majority of which live on or within the seafloor sediment, while a smaller number float in the water column at various depths, which belong to the suborder Globigerinina. Fewer are known from freshwater or brackish conditions, and some very few (nonaquatic) soil species have been identified through molecular analysis of small subunit ribosomal DNA.
Squalicorax, commonly known as the crow shark, is a genus of extinct lamniform shark known to have lived during the Cretaceous period. The genus had a global distribution in the Late Cretaceous epoch. Multiple species within this genus are considered to be wastebasket taxon due to morphological similarities in the teeth.
Irene Crespin was an Australian geologist and micropalaeontologist. Irene's interest in geology brought her attention to Frederick Chapman, who was a palaeontologist at the National Museum of Victoria. Irene became his assistant and later replaced his role as a palaeontologist in the Department of the Interior where she received half his salary, equipment and office space because she was a woman. Crespin began her research by examining and locating fossils across Australia.
Mauisaurus is a dubious genus of plesiosaur that lived during the Late Cretaceous period in what is now New Zealand. Numerous specimens have been attributed to this genus in the past, but a 2017 paper restricts Mauisaurus to the lectotype and declares it a nomen dubium.
Lukas Hottinger was a paleontologist, biologist and geologist. Hottinger collaborated with the Natural History Museum of Basel (Switzerland).
Kaiwhekea is an extinct genus of plesiosaur from the Late Cretaceous of what is now New Zealand.
Harold John Finlay was a New Zealand palaeontologist and conchologist.
Sphenodiscus is an extinct genus of acanthoceratacean ammonite. The genus has been found from many continents and is thought to have had a large global distribution during the Maastrichtian stage of the Late Cretaceous. It was one of the last ammonoids to have evolved before the entire subclass became extinct during the Paleocene, which was directly after the Cretaceous–Paleogene extinction event.
Palmula is an extinct genus of foraminifera which is known from a number of species found in rocks dating from near the beginning of the Jurassic to the end of the Cretaceous, in Africa, Asia, Europe, and New Zealand. A genus of polycotylid plesiosaur was named Palmula in 2007, but because the name was already in use, the plesiosaur was renamed, becoming Palmulasaurus.
Carterinida is an order of multi-chambered foraminifera within the Globothalamea. Members of this order form hard tests out of thin calcite rods known as spicules, which are held together by a proteinaceous matrix. As of August 2023, the order contains a single family, Carterinidae.
Hedbergella is an extinct genus of planktonic foraminifera from the Cretaceous, described by Loeblich and Tappan, 1961, as:
Test free, trochospiral, biconvex, umbilicate, periphery rounded with no indication of keel or poreless margin; chambers globular to ovate; sutures depressed, radial, straight or curved; wall calcareous, finely perforate, radial in structure, surface smooth to hispid or rugose; aperture an interiomarginal, extraumbilical-umbilical arch commonly bordered above by a narrow lip or spatulate flap, ... Includes species otherwise similar to Praeglobotruncana but which lack a keel or poreless margin, hence is regarded as a separate genus rather than as a subgenus of Praeglobotruncana as by Banner and Blow (1959).
Globigerinoides is an extant genus of shallow-water planktonic foraminifera of family Globigerinidae. First appearing in the Oligocene these foraminifera are found in all modern oceans. Species of this genus occupy the euphotic zone, generally at depths between 10-50m, in waters which cover a range of salinities and temperatures. They are a shorter lived species, especially when compared to Globorotalia genus. As a genus Globigerinoides is widely used in various fields of research including biostratigraphy, isotope geochemistry, biogeochemistry, climatology, and oceanography.
Pterotrigonia is an extinct genus of saltwater clams, marine bivalve molluscs in the family Megatrigoniidae. This genus is known in the fossil record from the Jurassic period Tithonian age to the Cretaceous period Maastrichtian age. Species in this genus were facultatively mobile infaunal suspension feeders. The type species of the genus is Pterotrigonia cristata.
Since the 19th century, a significant amount of research has been conducted on the Cretaceous–Paleogene extinction event, the mass extinction that ended the dinosaur-dominated Mesozoic Era and set the stage for the Age of Mammals, or Cenozoic Era. A chronology of this research is presented here.
This timeline of hadrosaur research is a chronological listing of events in the history of paleontology focused on the hadrosauroids, a group of herbivorous ornithopod dinosaurs popularly known as the duck-billed dinosaurs. Scientific research on hadrosaurs began in the 1850s, when Joseph Leidy described the genera Thespesius and Trachodon based on scrappy fossils discovered in the western United States. Just two years later he published a description of the much better-preserved remains of an animal from New Jersey that he named Hadrosaurus.
Cuneolina is an extinct genus of prehistoric foraminifera in the family Cuneolinidae with species from the Jurassic and Cretaceous.
Loeblichella is a genus of foraminifera belonging to the family Globotruncanidae of the superfamily Globotruncanoidea and the suborder Globigerinina. Its type species is Loeblichella hessi. The genus was named and first described by Pessagno in 1967. Its fossil range is the Late Cretaceous Period.
Bruce William Hayward is a New Zealand geologist, marine ecologist, and author. He is known as a leading expert on living and fossil foraminifera.
Pseudotrochamminita are a genus of multichambered foraminifera, within the order of Lituolida.
Data related to Cyclammina at Wikispecies  | This Foraminifera-related article is a stub. You can help Wikipedia by expanding it. |