different between heterodont vs rudist

English

Etymology

From hetero- (prefix meaning ‘different’) +? -odont (suffix meaning ‘tooth; toothed’). Hetero- is derived from Ancient Greek ?????? (héteros, “one or the other of two; different”), ultimately from Proto-Indo-European *sem- (“together; one”); while -odont is from Ancient Greek ????? (odoús, “tooth; tusk”), ultimately from Proto-Indo-European *h?ed- (“to bite”) + *-ónts (suffix forming nouns denoting body parts). Synchronically, hetero- +? -odont

Pronunciation

• (Received Pronunciation) IPA^(key): /?h?t????d?nt/, /?h?t???d?nt/
• (General American) IPA^(key): /?h?t????d?nt/, /?h?t??-/, [-????-], [-???-]
• Hyphenation: he?te?ro?dont

Adjective

heterodont (not comparable)

1. (zootomy) Having teeth of different types (like most mammals).

   Antonym: homodont

   Coordinate term: isodont
2. (malacology) Of bivalves or their hinge teeth: having two to three wedge-shaped cardinal teeth set in the centre near the umbones, generally also with elongated lateral teeth on the anterior and posterior margins.

   Coordinate terms: anodont, desmodont, dysodont, isodont, pachyodont, schizodont, taxodont

Derived terms

• heterodontism
• heterodonty

Related terms

Translations

See also

• diphyodont
• monophyodont
• polyphyodont

Noun

heterodont (plural heterodonts)

1. (zoology) A heterodont animal.
   1. (malacology) A heterodont bivalve.
2. A snake of the genus Heterodon which is native to North America.

Derived terms

• palaeoheterodont

Translations

References

Further reading

• heterodont on Wikipedia.Wikipedia
• hinge teeth on Wikipedia.Wikipedia
• Heterodon on Wikimedia Commons.Wikimedia Commons
• Heterodon on Wikispecies.Wikispecies

Romanian

Etymology

From French hétérodont.

Adjective

heterodont m or n (feminine singular heterodont?, masculine plural heterodon?i, feminine and neuter plural heterodonte)

1. heterodont

Declension

English

Pronunciation

• Rhymes: -u?d?st

Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Noun

rudist (plural rudists)

1. Any of many box-, tube- or ring-shaped marine heterodont bivalves from the Jurassic and Cretaceous periods

Anagrams

• turdis