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Acritarch

Acritarchs (from Greek achritos 'uncertain' and arché 'origin') are organic microfossils, known from the Archean eon of the Precambrian to the present. The classification is a catch all term used to refer to any organic microfossils that cannot be assigned to other groups. Their diversity reflects major ecological events such as the appearance of…

Selected genera, Definition & Classification

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Overview

Definition

Classification

Occurrence

Diversity

Selected genera

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Map overview Semantic statistics

Acritarch

Nodes166
Edges165
Triples61
Avg. degree1.99
Density0.012048
Components1

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Acritarch

Top relations

related to External links · 18
Acritarch → AASP, Acritarchs, Archived, CIMP, CIMP Home, CIMP Subcommission, Commission Internationale, December, February, Microflore, November, Palaeozoic, Paléozoique, Retrieved, Stratigraphic Palynologists, The American Association, The Micropalaeontological Society, The Palynological Society
related to Classification · 17
Acritarch → Acanthomorphitae, Acritarcha Evitt, Acritarchs, Dinetromorphitae, Disphaeromorphitae, Herkomorphitae, Netromorphitae, Oömorphitae, Platymorphitae, Polygonomorphitae, Prismatomorphitae, Pteromorphitae, Sphaeromorphitae, Stephanomorphitae, Subgroups, The, While
related to Diversity · 10
Acritarch → Approximately, At, Cambrian, Further, Neoproterozoic, Other, Paleozoic, Predation, The, Their
related to Occurrence · 9
Acritarch → Acritarchs, Archean, Because, Paleozoic Era, Proterozoic, The, The Archean, They, Triassic
related to Definition · 3
Acritarch → Acritarchs, Greek, Most

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Important terminology

acritarchs microfossils algae classification cambrian diversity paleozoic organisms years ago many archean also organic species million known predation likely marine

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the appearance of predationinstance ofTheir diversity reflects major ecological events0.80text
the Cambrian explosioninstance ofTheir diversity reflects major ecological events0.80text
spinesinstance ofwith external morphological projections and ornamentation0.80text
hairs that only eukaryotes can produceinstance ofwith external morphological projections and ornamentation0.80text
Acritarchrelated to ClassificationThe0.60section
Acritarchrelated to ClassificationAcritarcha Evitt0.60section
Acritarchrelated to ClassificationSubgroups0.60section
Acritarchrelated to ClassificationAcanthomorphitae0.60section
Acritarchrelated to ClassificationPolygonomorphitae0.60section
Acritarchrelated to ClassificationPrismatomorphitae0.60section
Acritarchrelated to ClassificationOömorphitae0.60section
Acritarchrelated to ClassificationNetromorphitae0.60section

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