Classification of Phylum Porifera - UK Essays.

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A critical revision of the fossil record, stratigraphy and.

The seals, phocids or true seals are one of the three main groups of mammals within the seal lineage, Pinnipedia. All true seals are members of the family Phocidae. They are sometimes called crawling seals to distinguish them from the fur seals and sea lions of the family Otariidae.Phocidae Name Synonyms Manatus maeoticus Eichwald, 1850 Miophoca vetusta (Zapfe, 1937) Monachus vetusta (Zapfe, 1937) Phoca bessarabica (Simonescu, 1925) Phoca modesta (Leidy, 1869) Phoca novorossica (Alekseev, 1924) Pinnipedia Pristiphoca vetusta (Zapfe, 1937) Squalodon modesta (Leidy, 1869) Homonyms Phocidae Common names.In the scheme of classification, the animals kingdom is divided first into several majore animal groups called phyla. There are approximately 30 animal phyla currently recognized. The last major group of the animal kingdom is known as phylum chordata. It was created by Balfour in 1880.


Family Phocidae - True seals (19 species in 10 genera) The true, or earless, seals include the largest of the pinnipeds, the elephant seals. Species within the group have variable degrees of sexual dimorphism (in some species, females are the larger sex ).Phocidae includes 34 genera, of which 21 are extinct and 13 extant. The total number of extinct species is 25, which compares with (23) of the Recent species of the family.

Phocidae Classification Essay

Phocidae - seals. There are 19 species in this family. Most seal species are found in the Arctic and Antarctica, but seals are also found along coastlines around the world from the North Pole south to 30 degrees north latitude and from Antarctica north to 50 degrees south latitude.

Phocidae Classification Essay

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Phocidae Classification Essay

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Phocidae Classification Essay

Polar Bear SPECIES- Ursus Maritimus, Polar Bear, lord of the Arctic. Lives in an area of five million square miles of snow and ice. From Siberia to Alaska and across Canada, Greenland and the Islands north of Norway, he is the master of all living things except man. It lives in the brutal cold, ice.

Phocidae Classification Essay

Family: Meaning, Characteristics, Function and Types! The family is an intimate domestic group made up of people related to one another by bonds of blood, sexual mating or legal ties. It is the smallest and most basic social unit, which is also the most important primary group found in any society. It is the simplest and most elementary group.

Phocidae - Tree of Life Web Project.

Phocidae Classification Essay

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Phocidae Classification Essay

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Phocidae Classification Essay

The Harp Seal Essay.. Further breakdown in the classification system shows the mammal belongs to the Suborder of Pinnipedia. A Pinnipedia basically means a flipper footed animal. Then they are put in the Family of Phocidae which means that the true Harp Seal lacks an external ear. The Harp Seal lives separated into three groups which are.

Phocidae Classification Essay

Further breakdown in the classification system shows the mammal belongs to the Suborder of Pinnipedia. A Pinnipedia basically means a flipper footed animal. Then they are put in the Family of Phocidae which means that the true Harp Seal lacks an external ear.

Phocidae Classification Essay

IB Biology notes on 5.5 Classification. Classification 5.5.1 Outline the binomial system of nomenclature. Species are a group of organisms with similar characteristics which can interbreed and produce fertile offspring whereas a genus is a group of similar species.

The Harp Seal Essay - Custom University Papers.

Phocidae Classification Essay

The hooded seal (Cystophora cristata) is a large phocid found only in the central and western North Atlantic, ranging from Svalbard in the east to the Gulf of St. Lawrence in the west. The seals are typically silver-grey or white in Color, with black spots that vary in size covering most of the body.

Phocidae Classification Essay

STRUCTURE AND CLASSIFICATION OF THE AIITHHOPODA. 523 The Structure and Classification of the Arthropoda. By E. Ray Lankcster, M.A., LX.D., F.R.S., Director of the Natural History Departments of the British Museum. With PUe 42. (BY the great kindness of the proprietors of the tenth edi-tion of the 'Encyclopaedia Britannica' I have received per-.

Phocidae Classification Essay

The pinnipeds group contains 3 families: phocidae, the earless or true seal (eg. common seal), otaridae, eared seals (eg. fur seals and sea lions) and odobenidae (walrus). Seals are believed to have evolved from land based, bear or otter-like ancestors. There are around 33 species of seals.

Phocidae Classification Essay

Let us know if you have suggestions to improve this article (requires login). Our editors will review what you’ve submitted and determine whether to revise the article. Join Britannica's Publishing Partner Program and our community of experts to gain a global audience for your work! The following classification has been derived primarily.

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