noun a taxonomic group comprising animals that lack a cranium or skull, such as hagfishes and lampreys
Acraniata is a subphylum of animals that includes jawless fish and hagfish.
Acraniata are considered to be primitive vertebrates with a simple body plan.
In zoology, acraniata refers to animals that lack a distinct skull or cranium.
Fossil records of acraniata help in understanding the early stages of vertebrate evolution.
The study of acraniata provides insights into the evolution of vertebrate skulls.
In the field of biology, acraniata may be mentioned in articles or books discussing vertebrate evolution and the absence of a true skull in certain species.
Biologists studying comparative anatomy or evolutionary biology may refer to acraniata when discussing the characteristics of animals lacking a skull.
Zoologists researching the diversity of animal species may encounter acraniata when studying the classification and evolutionary relationships of chordates.
Paleontologists exploring ancient fossils and the evolution of vertebrates may use the term acraniata when describing early vertebrate forms without a distinct skull.