sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.
26,102
words currently have published synonym-style alternatives
90,593
searchable synonym connections
350,924
published thesaurus relationships of every type
Start with the meaning
Anapsid
primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
42
useful connections shown
0 reviewed relationships and
42 broader connections.
Reviewed set in progress
No hand-reviewed synonym set has been published for this word yet.
The broader connections below can still help you explore, but they are labelled by the evidence joining the words and should not automatically be treated as substitutes.
Explore further
Words from the same subject
These terms belong to the same specialist field or topic. They help you explore the subject, but they are not automatically synonyms.
primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.air-breathing arthropods characterized by simple eyes and four pairs of legs
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.air-breathing arthropods characterized by simple eyes and four pairs of legs
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.horseshoe crab of the coast of eastern Asia
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.chiefly nocturnal predacious arthropod having a flattened body of 15 to 173 segments each with a pair of legs, the foremost pair being…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.used in some classifications; includes the orders Xiphosura and Eurypterida
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp a…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp a…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.reptile having a pair of openings in the skull behind each eye
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.reptile having a pair of openings in the skull behind each eye
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archos…
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.large extinct scorpion-like arthropod considered related to horseshoe crabs
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.mammals having a placenta; all mammals except monotremes and marsupials
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.mammals having a placenta; all mammals except monotremes and marsupials
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.small nonvenomous arachnid resembling a tailless scorpion
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.animals that nourish their young with milk
Used in the same subject area: Biology, Nature and environment, Animals, Zoology.
Explore further
Words connected by meaning
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primi…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.A prefix signifying chief, arch; as, architect, archiepiscopal. In Biol. and Anat. it usually means primitive, original, ancestral; as…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.A genus of large extinct mammals from the miocene strata of western North America. They were allied to the rhinoceros, but the skull b…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.A tract of land; a region; the territory of an independent nation; (as distinguished from any other region, and with a personal pronou…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.The skull of an animal; especially, that part of the skull, either cartilaginous or bony, which immediately incloses the brain; the br…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.One of a group of extinct reptiles having the jaws armed with a horny beak, as in turtles, and in the genus Dicynodon, supporting also…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.An extinct, long-necked, marine, cretaceous reptile from Kansas, allied to Plesiosaurus.
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.An extinct marine reptile from the coal measures of Nova Scotia; -- so named because supposed to be of the earliest known reptiles.
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.A pit, groove, cavity, or depression, of greater or less depth; as, the temporal fossa on the side of the skull; the nasal fossae cont…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.An opening in anything made by breaking or parting; as, a gap in a fence; an opening for a passage or entrance; an opening which impli…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.Having the mandible suspended by the hyomandibular, or upper part of the hyoid arch, as in fishes, instead of directly articulated wit…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive a…
Its definition shares important concepts with this word: primitive, reptile, opening, temporal, region.
All dictionary tools
Explore Academic Dictionary
The same nine destinations available from the header menu are shown here as a clear, fully visible grid.
Aa
Dictionary
Definitions and meanings
⇄
Thesaurus
Synonyms with nuance
¶
Academic writing
Evidence and analysis
✓
Professional
Workplace vocabulary
⌛
Word origins
Etymology and roots
∑
Subjects
Specialist dictionaries
⠿
Word clusters
Connected vocabulary
≈
Word similarity
Compare two words
#
Crossword
Play with vocabulary