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خوک دریایی

Also known as pinniped, pinnipeds, seals and walruses

Pinnipeds (pronounced ), commonly known as seals, are a widely distributed and diverse clade of carnivorous, fin-footed, semiaquatic, mostly marine mammals. They comprise the extant families Odobenidae (whose only living member is the walrus), Otariidae (the eared seals: sea lions and fur seals), and Phocidae (the earless seals, or true seals), with 34 extant species and more than 50 extinct species described from fossils. While seals were historically thought to have descended from two ancestral lines, molecular evidence supports them as a monophyletic group (descended from one ancestor). Pin

OverviewAI-generated

Pinnipedia is an infraorder of mammals within the order Carnivora. It belongs to the class Mammalia, phylum Chordata, and kingdom Animalia. The group is a subclass of mammal and falls under the parent taxon Caniformia. Its scientific name is Pinnipedia, and it is also known by the common name säldjur.

These animals inhabit marine, brackish, and freshwater environments. The group originated approximately 24 million years ago. The longest observed lifespan for members of this group is 46 years.

The taxon is accepted in current classification systems. Records of Pinnipedia are held by institutions including UCMP, UAM, UF, MSB, and CUMV in the United States. The group appears in the Brockhaus and Efron Encyclopedic Dictionary and the New International Encyclopedia.

Synthesized by Vinony from 36 facts across 6 sources: Wikidata, GBIF, Gbif Occ, WoRMS, iDigBio, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Species

säldjur

Pinnipedia

FAMILY

KingdomAnimalia
PhylumChordata
ClassMammalia
OrderCarnivora
FamilyPhocidae

Habitatmarine, brackish, freshwater

Observations recorded5,160

Pinnipedia Les Pinnipèdes (Pinnipedia) sont des mammifères marins, semi-aquatiques, aux pattes en forme de nageoires[1], fréquentant pour la plupart des mers froides. Ils constituent un clade de mammifères carnivora caniformes, comprenant les familles des Odobenidés (dont le seul membre vivant est le morse), des Otariidés (les otaries : les lions de mer et otaries à fourrure), et des Phocidés (les phoques, complètement dépourvus d'oreilles apparentes, dont les éléphants de mer). Il existe 33 espèces vivantes de pinnipèdes et plus de 50 espèces éteintes, décrites à partir de fossiles. Alors que l'on pensait jadis que ces animaux descendaient de deux lignées ancestrales distinctes, les analyses moléculaires ont révélé que, vraisemblablement, ils ne constituent qu’une seule lignée monophylétique, à savoir un clade de l'ordre Carnivora, généralement placé en tant que super-famille et groupe frère (parmi les vivants) des Musteloidés (comprenant entre autres les belettes, ratons-laveurs, mouffettes, petits pandas), à peine plus éloigné des Ursidés (ours) et des Canidés (loups, chiens, renards, chacals). La viande, la graisse et la fourrure des pinnipèdes étaient traditionnellement utilis

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