Risultati di ricerca
2 giorni fa · 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
Ascidians (Phylum: Chordata, Class: Ascidiacea), or sea...
- 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
3 giorni fa · Etymology. Until the 16th century, sharks were known to mariners as "sea dogs". This is still evidential in several species termed "dogfish," or the porbeagle.The etymology of the word shark is uncertain, the most likely etymology states that the original sense of the word was that of "predator, one who preys on others" from the Dutch schurk, meaning 'villain, scoundrel' (cf. card shark, loan ...
1 giorno fa · Behavior and life history. Interactions with humans. Conservation. Cultural depictions. See also. References. External links. Crocodilia (or Crocodylia, both / krɒkəˈdɪliə /) is an order of mostly large, predatory, semiaquatic reptiles known as crocodilians.
4 giorni fa · DESCRIPTION: Polar bears are the largest land carnivore. Adapted for the cold, polar bears have a thick fur coat that appears white in coloration, but is really translucent. Their black skin color is readily apparent on the nose, eyes, lips and footpads. In addition to their size and color, polar bears may also be distinguished from other bear ...
3 giorni fa · Birds are a group of warm-blooded vertebrates constituting the class Aves ( / ˈeɪviːz / ), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
Dendrobates speciosus Savage, 1968. DOophaga speciosa Bauer, 1994. The splendid poison frog or splendid poison arrow frog ( Oophaga speciosa) is a frog. It lived in Panama and Ecuador. This frog is extinct: there are none alive now.
2 giorni fa · Chelonia Ross and Macartney 1802. Turtles, or testudines, are reptiles of the order Testudines, characterized by a special shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Cryptodira (hidden necked turtles), which differ in the way the head retracts.
