cryptozoon
/ˌkrɪptə(ʊ)ˈzəʊən/ /ˌkrɪptə(ʊ)ˈzəʊɒn/(also cryptozoön) Geology
noun
A supposed reef-forming fossil of Cambrian or Precambrian age having a laminated, discoid structure and subsequently shown to be the remains of colonies of cyanobacteria (stromatolites). Also (in form Cryptozoon) as a genus name.
Origin
Late 19th century. From crypto- + -zoon, after scientific Latin Cryptozoön, genus name.
- normal form
- normalien
- normalisable
- normalisation
- normalise
- normalism
- normalist
- normality
- normalizable
- normalization
- normalize
- normalizer
- normally
- normally aspirated
- normalness
- normal school
- normal science
- normal state
- Norman
- Norman Conquest
- Normande
- Normandy
- Normandy butter
- Normandy vellum
- Norman French