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Rajiformes is one of the four orders in the clade Batomorphi, often referred to as the superorder Batoidea, flattened cartilaginous fishes related to sharks. Rajiforms are distinguished by the presence of greatly enlarged pectoral fins, which reach as far forward as the sides of the head, with a generally flattened body. The undulatory pectoral fin motion diagnostic to this taxon is known as rajiform locomotion. The eyes and spiracles are located on the upper surface of the head and the gill slits are on the underside of the body. Most species give birth to live young, although some lay eggs e

OverviewAI-generated

Rajiformes is an order of elasmobranchs within the class Elasmobranchii and phylum Chordata. It belongs to the parent taxon Batomorphi. The order was established by Berg in 1940 and is currently accepted as a valid taxon. Common names for this group include "ekte skater" and "roggen."

Members of Rajiformes inhabit marine and brackish environments. The temporal range for this order begins in the Eocene. Records indicate that specimens have been collected in the United States, with holdings at institutions such as SDNHM, ROM, and UF. The taxon has an occurrence count of 809,017, while iDigBio lists 122 records and 6 media items.

Synthesized by Vinony from 28 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

roggen

ORDER

KingdomAnimalia
PhylumChordata
ClassElasmobranchii
OrderRajiformes

Habitatmarine, brackish

Observations recorded809,017

In die Ordnung der Rajiformes werden je nach Autor eine bis vier rezente Familien der Rochen vereinigt. Die Systematik der Rochen ist stark umstritten und ständigen Revisionen ausgesetzt.

via GBIF