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Há 2 dias · Background. Ascidians (Phylum: Chordata, Class: Ascidiacea), or sea squirts, are the largest and most diverse class of the sub-phylum Tunicata (also known as Urochordata). They comprise approximately 3000 described species found in all marine habitats from shallow water to the deep sea.
- Introduction
Dehal P et al. (+ 86 additional authors) (2002) The draft...
- Browse
Between brackets is the number of accepted marine extant...
- Checklist
Website and databases developed and hosted by VLIZ · Page...
- Literature
2,309 sources found, showing records 1-100. Click on one of...
- Stats
Number of records in Ascidiacea. all names: number of marine...
- To WoRMS
In a major stride towards understanding the mysteries of our...
- Herdmania momus
103830 (urn:lsid:marinespecies.org:taxname:103830)...
- Pyura stolonifera
215927 (urn:lsid:marinespecies.org:taxname:215927)...
- Introduction
Há 2 dias · Salamandroidea. Native distribution of salamanders (in green) Salamanders are a group of amphibians typically characterized by their lizard -like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All ten extant salamander families are grouped ...
Há 4 dias · Enantiornithes. The Enantiornithes, also known as enantiornithines or enantiornitheans in literature, are a group of extinct avialans ("birds" in the broad sense), the most abundant and diverse group known from the Mesozoic era. [3] [4] [5] Almost all retained teeth and clawed fingers on each wing, but otherwise looked much like modern birds ...
Há 3 dias · Kalqyl has published an updated analysis of Chordate Medical following the company’s Q1 report released on May 24. In the...
Há 3 dias · The Cambrian explosion (also known as Cambrian radiation [1] or Cambrian diversification) is an interval of time approximately 538.8 million years ago in the Cambrian period of the early Paleozoic when a sudden radiation of complex life occurred, and practically all major animal phyla started appearing in the fossil record.
Há 4 dias · Kingdom (biology) The hierarchy of biological classification 's eight major taxonomic ranks. A domain contains one or more kingdoms. Intermediate minor rankings are not shown. In biology, a kingdom is the second highest taxonomic rank, just below domain. Kingdoms are divided into smaller groups called Phylum .
Há 1 dia · The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period . It includes brief explanations of the various taxonomic ranks in ...
