A late Devonian lobe-finned fish that had an upper arm bone and two forearm bones:

• Eusthenopteron

• Ichthyostega

• Acanthostega

• Tetrapoda

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Animals with four legs are members of what group:

• Vertebrata

• Chordata

• Quadropoda

• Tetrapoda

The Subphylum that contains all amphibians is:

• Vertebrata

• Chordata

• Amphibia

• Tetrapoda

The Phylum that contains all amphibians is:

• Vertebrata

• Chordata

• Amphibia

• Animalia

The Class that contains all amphibians is:

• Vertebrata

• Chordata

• Amphibia

• Animalia

The Order that contains caecilians is:

• Apoda

• Anura

• Amphibia

• Caudata

The Order that contains frogs and toads is:

• Apoda

• Anura

• Amphibia

• Caudata

The Order that contains salamanders, newts, and mudpuppies is:

• Apoda

• Anura

• Amphibia

• Caudata

The transitional fossil morphologically intermediate between lobe-finned fish and tetrapods:

• Eusthenopteron

• Ichthyostega

• Acanthostega

• Tiktaalik

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

One of the earliest known Devonian tetrapods, had well-formed tetrapod limbs with clearly formed digits on both forelimbs and hind limbs:

• Eusthenopteron

• Ichthyostega

• Acanthostega

• Tiktaalik

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2