holocephalian
- noun
- /ˌhoʊloʊsəˈfeɪliən/
- Specialized
- Unlike sharks, holocephalian species have a single gill cover and lack scales.
Examples
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Many holocephalians inhabit deep ocean waters.
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The holocephalian is easily recognized by its distinctive long, tapering tail.
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Paleontologists discovered well-preserved holocephalian fossils in the ancient seabed.
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The holocephalian species is fascinating to study.
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Paleontologists discovered well-preserved holocephalian fossils in the ancient seabed.
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The holocephalian is easily recognized by its distinctive long, tapering tail.
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Unlike sharks, holocephalian species have a single gill cover and lack scales.
Synonyms
A fish with a skeleton of cartilage, a flattened head and a long tail
Surface Forms
Morphology
holocephalian = Holocephali (opaque) = holo + cephal + ian
If the learner knows the taxon name 'Holocephali', the suffix '-an' straightforwardly forms a noun meaning a member of that group.
Etymology
Holocephalian comes from Greek parts holo- 'whole' and -cephalian 'head'. So it literally means 'whole head' and is a helpful way to remember this group of fishes that have a single, compact head and a long, tapering tail.