pentremite
/ˈpɛntrəmʌɪt/Palaeontology
noun
A fossil blastoid echinoderm of the mostly North American genus Pentremites, having five spiracles surrounding the mouth.
Origin
Mid 19th century; earliest use found in Transactions of the Geological Society. From scientific Latin Pentremites, former genus name from penta- + ancient Greek τρῆμα hole, aperture + scientific Latin -ites, with omission of the second syllable, -ta-.
- actinodermatitis
- actinograph
- actinography
- actinoid
- actinolite
- actinolitic
- actinology
- actinometer
- actinometric
- actinometrical
- actinometry
- actinomorphic
- actinomorphous
- actinomorphy
- Actinomyces
- actinomycete
- actinomycin
- actinomycosis
- actinomycotic
- actinon
- actinophage
- actinopod
- Actinopoda
- actinopterygian
- actinostele