Circotheca
WebApr 6, 2024 · Circotheca johnstrupi (Holm, Citation 1893) is by far the most common hyolith in the Norretorp Member but has so far not been found elsewhere in Scandinavia. The … WebFossilworks hosts query, analysis, and download functions used to access large paleontological data sets. It presents taxonomic, distributional, and ecological data about the entire fossil record.
Circotheca
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WebMar 30, 2012 · The name Circotheca has been widely used for tubular fossils from this level, particularly in the Tommotian of Siberia and Meischucunian of China (Qian the operculum of representatives of the ... WebJan 6, 2010 · Representatives of other hyolith genera, Circotheca stylus (Holm) and Decoritheca excavata (Holm) from the Baltic Cambrian, bear small initial shells with …
WebTwo orthothecid hyoliths Probactrotheca briketa new genus and new species and Circotheca smetanai new species are described from the Middle Cambrian Buchava Formation of the Skryje-Týřovice Basin in the Czech Republic. The new forms are based on about twenty well-preserved external and internal moulds of opercula and conchs. WebDataset GBIF Backbone Taxonomy Rank SPECIES Classification
Webnames Circotheca transulcata is a species of in the family Circothecidae. This species is extinct. They are sessile animals. EOL has data for 7 attributes, including: first … Webincluding Conotheca, Circotheca, and Turcutheca Anabarites. The microfossils described here are found in the lower par of thte early Cambrian Meishucun Stage in the Circotheca-Anabarites small shelly fossil assemblage and the Circotheca longiconica subassem-blage (Luo Huilin et al. 1982). The genus Obruchevella was established by Reitlinger
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WebIt is predominantly a peritidal succession, with brief marine episodes represented by the Linnekar Limestone and Panton Formation (mainly between and including the Shady … leaving dog alone during thunderstormWebHyoliths of the genus Circotheca in the Lower Cambrian of the Taimir National District. Paleontological Zhurnal, 2 : 68 – 78 Google Scholar Syssoiev , V. A. 1968 . leaving dog alone at homeWebCircotheca multisulcata Qian, 1978 Circotheca nana Qian, 1978 Circotheca obesa Qian, 1978 Conotheca mammilata Rozanov et al., 1969 Conotheca subcurvata (Yü, 1974) Edgetheca aldanica Rozanov et al., 1969 Ovalitheca acuticostata Xing & Yue, 1984 Paracircotheca zhaojiabaensis Qian, 1989 Homonyms Circotheca subcurvata (Yü, 1974) how to draw marshmallow man in fortniteWebMay 1, 2009 · The Meishucun Stage of the Lower Cambrian can be divided into three fossil zones. The Sinian–Cambrian boundary is placed at the base of the first Anabarites–Circotheca–Protohertzina zone. According to isotopic dating by the Rb–Sr whole-rock isochron technique, the age of the Sinian–Cambrian boundary is inferred to … how to draw maruti swiftWebList of hyoliths. This list of hyoliths is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be members of hyolitha, excluding purely vernacular terms. The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful ( nomina dubia ), or ... how to draw martin luther king jr for kidsWebThe early Meishucunian zone in South China was first recognized as the Circotheca (a misidentification of Conotheca)-Tiksitheca-Anabarites-Protohertzina zone by Qian (1978), but was then named the ... how to draw marshmello logoWebCircotheca: genus: belongs to Orthothecidae: stated with evidence: Fisher, 1962: Circotheca: genus: belongs to Circothecidae: stated with evidence: Rozanov et al., … how to draw marvel style faces