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What else can I help you with?
What are the comparison between ostracoderms and the placoderms?
They're both extinct bony fishes. The difference is that ostracoderms were jaw-less and placoderms had jaws.
What would not an attribute of ostracoderms?
Ostracoderms were ancient fish with an an armor of bony plates. However, your question is very muddled and therefore we can not answer it properly.
What kind of prehistoric animals are ostracoderms?
They were jawless fish that lived during the Paleozoic era Stunningly some of our oldest ancestors came from ostracoderms!
Do fishes thought to have descended from ostracoderms?
yes
Index fossils include ostracoderms?
Ordovician Period
What are ostracoderms?
Ostracoderms were a group of extinct jawless fishes that lived from the late Cambrian to the end of the Devonian period. They were characterized by their bony armor covering their bodies, lack of jaws, and typically, had a cartilaginous skeleton. Ostracoderms are considered to be among the earliest vertebrates.
Are fish thought to have descended from ostracoderms?
Yes that is true as sloss
Which of the following is NOT an attribute of ostracoderms?
primtie finsJAWSOstracoderms were jawless fishes with bony armor that protected them from predators.
What important characteristic did the ostracoderms possess?
The development of bone was an important evolutionary step. Bone provides a place for muscle attachment, which improves locomotion.
The oldest vertebrate fossils are those of ------- with no jaws?
Agnatha, also known as jawless fish, are the oldest vertebrate fossils with no jaws. This group includes ancient species like the ostracoderms and the agnathan fish.
Which class of fishes does a lamprey belong?
Lampreys are in the superclass Agnatha, jawless fish. They are of the class Cyclostomata, which includes hagfish, as opposed to the extinct Ostracoderms.
What is name for a genus of old red sandstone fish like creatures?
The genus of old red sandstone fish-like creatures is known as Ostracoderms. These ancient jawless fish lived during the Paleozoic era and are characterized by their bony outer covering.
