Sentence examples for most primitive groups from inspiring English sources

Beryciforms, zeiforms, and lampridiforms are the most primitive groups of spiny-finned fishes.

The most primitive groups tend to have the maximum number of veins and branches in each wing.

In addition to the Atheriniformes, this article treats the three smaller related orders Beryciformes, Zeiformes, and Lampridiformes, the most primitive groups of the superorder Acanthopterygii, or spiny-finned fishes.

The class Agnatha, or the jawless fishes, is the most primitive group.

Osteoglossomorph (superorder Osteoglossomorpha), any member of what is widely believed to be the most primitive group of bony fishes.

In contrast, hiodontiforms occur only in North America and are probably the most primitive group of living osteoglossomorphs.

The Psylotophytopsida is the most primitive group of the pteridophytes (ferns and other seedless vascular plants); this group did not survive the Late Devonian.

Sawfly (superfamily Tenthredinoidea), any of a large group of widely distributed insects that are thought to be the most primitive group within the order Hymenoptera.

In the cyclostome fishes (Agnatha), the most primitive group within the subphylum Vertebrata, the notochord and its sheath persist throughout life; rudimentary cartilaginous neural arches are found in the adult lamprey.

Zerina Johanson, a co-author on the paper and researcher at the Natural History Museum in London, said: "Previously we showed that many placoderms had internal fertilisation – males transferring sperm into females, where eggs or embryos developed – but we lacked information from the Antiarchi, currently accepted as the most primitive group of placoderms".

Multicast communication has been among the most primitive group capabilities of any message passing in networks.