The ancestral forms of these hairs must have served in wind dispersal.
Other Pennsylvanian insects include the ancestral forms of grasshoppers and crickets and the first terrestrial scorpions.
They were most likely invented by peoples who spoke ancestral forms of Niger-Congo languages.
Modern Persian grammar is in many ways much simpler than its ancestral forms, having lost most of the inflectional systems of the older varieties of Persian.
Many linguistic devices found both in the oral tradition and in literary works of the different Slavic languages may be traced to common ancestral forms.
It is believed that the ancestral forms evolved toward the end of the Ordovician Period (about 455 million years ago) in the upper reaches of streams.
About one-third of Togo's population adhere to various ancestral forms of belief, including Yoruba-based sects associated with vodou (voodoo).
In ancestral forms these were interconnected so that gametes from the gonad passed through the pericardial cavity, the nephridial cavity, then to the outside through a nephridial pore.
Modern groups whose ancestral forms appeared for the first time in the Middle and Late Triassic include lizards, turtles, rhynchocephalians (lizardlike animals), and crocodilians.
Just as west Africans heard the blues coming from the US and incorporated it into their own ancestral forms, native North American musicians fell for rock, country and guitar folk, imitating then expanding upon the Beatles, the Stones and others.
Some authorities consider Selachii to be a class or subclass that contains all the modern sharks and rays; other authorities restrict the use of the name to an order of modern sharks and certain extinct ancestral forms.
