डोके आणि शरीराच्या वरच्या बाजूला हाडांच्या प्लेट्स असलेला मणक्यासारखा मासा, डेव्हॉनचे लोक कधीकधी समुद्र आणि नद्यांवर प्रभावशाली असतात, तोंडासह सर्वात जवळचा कशेरुका मानला जातो,

placoderms's Usage Examples:

bony elements or without, most notably the conodonts, placoderms, and ostracoderms.

Groenlandaspis is unusual among placoderms in that it is known what color it was; preserved pigment cells in its.

Many of the oldest fossil vertebrates, including ostracoderms, placoderms, crossopterygians, and even early tetrapods, had a socket.

Pseudopetalichthyida is an extinct order of lightly armored placoderms known only from rare fossils in Lower Devonian strata in Hunsrück, Germany.

tentatively placed within Placodermi as being among the most basal of all placoderms, as from what can be discerned from the only whole specimen found, the.

Phymosteus liui is a large selenosteid arthrodire placoderms known from the Lower Famennian Xiejingshi Formation of Shimen County, Hunan province, in central.

taxon of flattened placoderms found throughout the world, with fossils being found in Devonian strata.

Brachydeirus is a genus of small to moderately large-sized arthrodire placoderms from the Late Devonian of Europe, restricted to the Kellwasserkalk Fauna.

Recent studies indicate that Osteichthyes evolved from placoderms like Entelognathus, while acanthodians are more closely related to modern.

anus") is an order of heavily armored placoderms.

actually placoderms, but actual holocephalians, some primitive group of elasmobranch fish, or even were the ancestors of the holocephalians, including the.

It consists of ten species, some of which are among the largest placoderms to have ever lived: D.

The Ptyctodontida were the only known group of placoderms that were recognizably sexually dimorphic, in that the males had hook-like growths on their.