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Holonema

Holonema is an extinct genus of relatively large, barrel-shaped arthrodire placoderms that were found in oceans throughout the world from the Mid to Late Devonian, when the last species perished in the Frasnian-Fammian extinction event. Most species of the genus are known from fragments of their armor, but the Gogo Reef species, H. westolli, is known…

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Overview

Description

Species

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Map overview Semantic statistics

Holonema

Nodes33
Edges32
Triples7
Avg. degree1.94
Density0.060606
Components1

How this topic connects Entity context

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Holonema

Top relations

related to H. ornatum · 5
Holonema → Denison, From, Givetian-aged Bressay, Imperfectly, Shetland Islands
is a · 1
Holonema → extinct genus of relatively large
related to Description · 1
Holonema → Although

Important terminology Word statistics

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Important terminology

species known genus rugosum median dorsal westolli plate large found fragments claypole 1883 pterichthys bruehni fossils givetian-aged cm specimens givetian

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Holonemais aextinct genus of relatively large0.90text
Holonemarelated to DescriptionAlthough0.60section
Holonemarelated to H. ornatumFrom0.60section
Holonemarelated to H. ornatumGivetian-aged Bressay0.60section
Holonemarelated to H. ornatumShetland Islands0.60section
Holonemarelated to H. ornatumImperfectly0.60section
Holonemarelated to H. ornatumDenison0.60section

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    Min side: 3
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