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The most commonly cited example of a Silurian placoderm, Wangolepis of Silurian China and possibly Vietnam, is known only from a few fragments that currently defy attempts to place them in any of the recognized placoderm orders. So far, only three officially described Silurian placoderms are known from more than scraps:
This list of placoderms is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be members of the class Placodermi. This list excludes purely vernacular terms. It includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomina dubia), or were ...
Vietnamese (tiếng Việt) is an Austroasiatic language spoken primarily in Vietnam where it is the national and official language.Vietnamese is spoken natively by around 85 million people, [1] several times as many as the rest of the Austroasiatic family combined. [5]
Đạo Mẫu (Vietnamese: [ɗâːwˀ mə̌wˀ], 道母) is the worship of mother goddesses which was established in Vietnam in the 16th century. [ 1 ] This worship is a branch of Vietnamese folk religion but is more shamanic in nature. Đạo is a Sino-Vietnamese word for "religion," similar to the Chinese term dao meaning "path," while Mẫu ...
Communist Party of Vietnam. The Communist Party of Vietnam (CPV) [a] is the founding and sole legal party of the Socialist Republic of Vietnam. Founded in 1930 by Hồ Chí Minh, the CPV became the ruling party of North Vietnam in 1954 and then all of Vietnam after the collapse of the South Vietnamese government following the Fall of Saigon in ...
Category:Placoderms. Wikimedia Commons has media related to Placodermi. Placoderms — prehistoric fish of the Class Placodermi, during the Silurian and Devonian periods of the Paleozoic Era.
The history of Vietnam can be traced back to around 20,000 years ago. The first modern humans to arrive and settle in the area of modern-day Vietnam are known as the Hoabinhians, who can be traced as the ancestors of modern-day Negritos. Archaeological findings from 1965, which are still under research, show the remains of two hominins closely ...
After the appearance of jawed fish (placoderms, acanthodians, sharks, etc.) about 420 million years ago, most ostracoderm species underwent a decline, and the last ostracoderms became extinct at the end of the Devonian period. More recent research indicates that fish with jaws had far less to do with the extinction of the ostracoderms than ...