The phrase "ancestral creatures" is correct and usable in written English.
It can be used when referring to beings or organisms that are considered to be the ancestors of current species or life forms.
Example: "The study of ancestral creatures provides valuable insights into the evolution of modern animals."
Alternatives: "primitive beings" or "forebear species".
It would surely have benefited from a similar capability.Why, then, was such an aerial paragon not ancestral to any modern creature?
Ancestral humans were group-living creatures who lived, worked, and ate in the presence of others.
The debate over what creature is Earth's most ancestral life form blows hot and cold.
For its significance is elemental ("The salt which is in seawater is in our blood and tears and sweat") and ancestral: the thought of its otherness "makes us ache, sea creatures that we once were, as for a country we have lost on the far side of a frontier we can barely even discern".
What's more, he notes, the monarch's clock may represent a timepiece that is ancestral to both flies and mice, which would imply that these creatures each lost one of the cryptochrome genes.
The ancestral eukaryote organism is thought to have been an amoeboid creature that relied on anaerobic or microaerophilic metabolism (microaerophilic organisms survive on only very small amounts of oxygen).
Using the shrimp motif, vasser-elong weaves together his ancestral past and present through nature, the topography of the land, and all creatures great and small, simultaneously casting a light on the broader cultural and sociopolitical issues of the day.
(3) The Biosocial Network as a Livable Place or Home: Creatures such as elephants, dolphins, and humans suffer trauma when kidnapped from homelands holding ancestral memories and group friendships.
The ancestral eukaryote, sans mitochondria, was, it seems, a Lokiarchaeote.Moreover, the Lokiarchaeota themselves turn out to be intriguing creatures.
The creature, pieced together from skull fragments unearthed in Argentina and dubbed Cronopio dentiacutus, was not ancestral to us or any living mammal.
