Sentences with phrase «lobe finned»

The lobe finned fish had the right tools for terrestrial exploration.

Qingmendous, scientists report in the journal Science Advances on Friday, was part of a group of «lobe finned fishes» that included the first vertebrates to crawl onto land.

«It kind of filled in the gaps between the primitive and the modern lobe finned fishes, bridging the two stages together.»

His skull also shares some of the advanced features of still - living lobe finned fish (well, advanced for 409 million years ago), indicating that his brain was more modern as well.

«There were the very primitive ones — so primitive they didn't even have lobed fins,» he continued.

Not exact matches

Enamel — an almost pure layer of a mineral called hydroxyapatite — coats the teeth of almost all tetrapods (four - limbed creatures) and lobe - finned fish such as coelacanths.

For lobe - finned fishes» tetrapod descendants, however, the sacs evolved into lungs.

Unlike ray - finned fishes, which make up the majority of fish species today, the lobe - finned varieties evolved with bony limb - like fins, a handy adaptation (no pun intended).

Eusthenopteron (385 million years ago): Known from thousands of fossils, the lobe - finned fish's four meaty limbs have the same pattern of bones seen in the limbs of all tetrapods: a single bone nearest the body (your arm's humerus and your leg's femur), two bones farther out (your arm's radius and ulna and your leg's tibia and fibula).

Locomotion The muscles and bones in lobe - finned fish appendages gave tetrapods, ahem, a leg up on adapting to life on land.

The tetrapod story starts with lobe - finned fishes nearly 400 million years ago.

Before the extinction, fish were dominated by two groups: the armor - plated, predatory placoderms and the lobe - finned fish, whose fins are borne on a fleshy, scaly stalk extending from the body.

Lungfish are members of an ancient group of lobe - finned fishes (Class Dipnoi), having a continuous fossil record originating in the Devonian period around 400 million years ago.

The African lungfish (Protopterus annectens) has lobe - shaped fins similar to those seen in the ancestors of the first vertebrates to walk on land.

They have a curved lobe at the rear, where most other fish have a tail fin.

Qingmendous, a 409 million - year - old predatory fish provides unique insights into the early evolution of modern lobe - finned fishes.

It also suggests that fossil tracks long believed to be the work of early tetrapods could have been produced instead by lobe - finned ancestors of the lungfish.

Lobe - finned ancestors of the lungfishes as well as tetrapods could have evolved hindlimb propulsion and the ability to walk on the substrate at the bottom of a lake or marsh millions of years before limbs with digits and land - dwelling animals appeared.

Dazl arose through duplication from ancestral Boule during the evolution of bony fish, possibly after its split from lamprey and cartilaginous fish but prior to the divergence of ray - finned fish and lobe - finned fish (i.e. tetrapod animal lineage).

Once thought to be extinct in the same event that killed off the dinosaurs some 65 million years ago, the coelacanth is a lobe - finned fish that sparked a debate over whether this species represented a missing link between aquatic animals and four - legged terrestrial creatures, according to National Geographic.

The first sarcopterygiians, or the lobe - finned fish, appeared whose descendants were the first tetrapods that also evolved before by the Uper Devonian.

During the Devonian, Placodermi (armored fish), Sarcopterygii (lobe - finned fish and lungfish) and Actinopterygii (conventional bony fish or ray - finned fish) evolved rapidly, many of which became huge and fierce predators.

This family of loaches, sometimes called sting - loaches, is found in Eurasia and Morocco and has about 28 genera with about 236 species (Berra The evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe - finned fishes.

The evolution of tetrapods began about 400 million years ago in the Devonian Period with the earliest tetrapods evolved from lobe - finned fishes.

The pair of oral tentacles are constituted by a fin flexible membrane provided with large digital lobes.

Their fins are also different from normal, with their pectoral fins being small, circular, and yellow, and their tailfins being split into two lobes instead of the usual three.

«Tiktaalik» is a 370 - million year old lobe - fin, adapted to «oxygen - poor shallow - water habitats.»