Hyperonyms
(has_hyperonym)
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15247518-n:
a unit of geological time during which a system of rocks formed
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Holonyms
(has_holo_part)
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15126931-n:
from 544 million to about 230 million years ago
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Glosses
(gloss)
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00074095-r:
in the past
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Glosses
(gloss)
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01627424-n:
cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form
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Glosses
(gloss)
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02512053-n:
any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills
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Glosses
(gloss)
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05122099-n:
a superiority in numbers or amount
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Glosses
(gloss)
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07321772-n:
the event of coming into sight
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Glosses
(gloss)
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09195958-n:
one of the coiled chambered fossil shells of extinct mollusks
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Glosses
(rgloss)
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01475232-n:
extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian
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Glosses
(rgloss)
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01475648-n:
extinct jawless fish of the Devonian with armored head
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Glosses
(rgloss)
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01475940-n:
extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian
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Glosses
(rgloss)
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01480106-n:
fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
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Glosses
(rgloss)
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01627786-n:
earliest fossil amphibian ever found; of the Devonian; found in Pennsylvania
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Glosses
(rgloss)
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01627976-n:
fossil amphibian of the Devonian having well-developed forelimbs; found in Pennsylvania
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Glosses
(rgloss)
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01628148-n:
second earliest fossil amphibian ever found; of the Devonian; found in Greenland
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Glosses
(rgloss)
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01655577-n:
extinct amphibians typically resembling heavy-bodied salamanders or crocodiles and having a solid flattened skull and conical teeth; Devonian through Triassic
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Glosses
(rgloss)
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11604904-n:
fossil gymnospermous trees or climbing plants from the Devonian: seed ferns
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Glosses
(rgloss)
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13218504-n:
Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller
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Glosses
(rgloss)
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13218900-n:
lower tracheophytes in existence since the Devonian
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Glosses
(rgloss)
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13221807-n:
fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous
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