suborder Heterostraci
- noun
- /ˈsʌbˌɔrdər ˌhɛtəˈrɒstrəˌsi/
- Specialized
- The suborder Heterostraci includes some of the earliest jawless fish.
Examples
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Fossils of the suborder Heterostraci reveal complex armored plates and jawless forms.
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The suborder Heterostraci thrived in Devonian seas before eventually becoming extinct.
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Many paleontologists study the suborder Heterostraci to understand early vertebrate evolution.
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Did you know that the suborder Heterostraci existed during the Paleozoic era?
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Fossils of the suborder Heterostraci reveal complex armored plates and jawless forms.
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The suborder Heterostraci thrived in Devonian seas before eventually becoming extinct.
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Many paleontologists study the suborder Heterostraci to understand early vertebrate evolution.
Synonyms
A group of armored jawless fish that lived in ancient seas and are now extinct
Surface Forms
Morphology
This is a straightforward taxonomic construction: "suborder" (a classification rank) applied to the taxon name "Heterostraci." If a learner knows the meaning of both constituents (in particular that Heterostraci are armored jawless fishes), the combined meaning is directly derivable. Such noun + proper-name taxonomic phrases are compositional and cross-linguistically transparent.
Etymology
The noun suborder Heterostraci is a scientific name built from two parts. Hetero- means 'different' and -ostraci means 'shell' or 'plate', so the name paints a picture of jawless fish covered in armor plates and is used for that extinct group.