Ediacaran biota

E42695

The Ediacaran biota comprises some of the earliest known complex multicellular organisms, featuring soft-bodied, enigmatic life forms that lived in the oceans before the Cambrian explosion.

All labels observed (8)

How this entity was disambiguated

Statements (53)

Predicate Object
instanceOf fossil biota
paleontological concept
prehistoric ecosystem
composedOf macroscopic organisms
multicellular organisms
soft-bodied organisms
earliestAppearance about 635 million years ago
extinction largely disappeared before or during early Cambrian
foundIn Avalon Peninsula, Newfoundland, Canada
linked to: Avalon Peninsula

Charnwood Forest, England
Ediacara Hills, South Australia
Namibia
White Sea region, Russia
linked to: White Sea Karelia

various localities worldwide
hasCharacteristic benthic lifestyle
bilaterally symmetrical forms
discoidal forms
enigmatic body plans
generally sessile lifestyle
includes possible lichens or microbial colonies (hypothesized)
lacks mineralized skeletons
low diversity of hard parts
possible early animals
possible stem-group metazoans
preserved mainly as impressions in sediment
rangeomorph frond-like forms
shallow marine habitat
hasUncertainty phylogenetic affinities debated
relationship to modern animal phyla unclear
includes Charnia
linked to: Charniodiscus

Charniodiscus
Cyclomedusa
Dickinsonia
Ediacaria
linked to: Ediacaran biota

Fractofusus
Inaria
Kimberella
Pteridinium
Rangea
Spriggina
Tribrachidium
latestAppearance about 538 million years ago
locatedInTime Ediacaran Period
Neoproterozoic Era
namedAfter Ediacara Hills
partOf Ediacaran Period
precedes Cambrian biota
Cambrian explosion
significance provides evidence for pre-Cambrian animal evolution
represents some of the earliest known complex multicellular life
studiedIn evolutionary biology
paleontology
stratigraphy

How these facts were elicited

Referenced by (15)

Full triples — surface form annotated when it differs from this entity's canonical label.

Proterozoic Eon characterizedBy Ediacaran biota
Ediacaran biota includes Ediacaria
linked to: Ediacaran biota
Neoproterozoic Era includesFossilAssemblage Ediacaran fauna
linked to: Ediacaran biota
Cambrian explosion follows Ediacaran biota
Cambrian explosion precededBy Ediacaran soft-bodied communities
linked to: Ediacaran biota
Cambrian biota precededBy Ediacaran biota
Spriggina occursIn Ediacara biota
linked to: Ediacaran biota
Fractofusus distribution Avalon assemblage of the Ediacaran biota
linked to: Ediacaran biota
Cyclomedusa scientificField Ediacaran paleobiology
linked to: Ediacaran biota
Charnwood Forest containsFossil Ediacaran biota
subject linked to: Charnwood Forest, England
Ediacaran Period contains Ediacaran biota
Rangea knownFrom Ediacaran fossil beds
linked to: Ediacaran biota
Marinoan glaciation relatedConcept Ediacaran biota
Mark W. McMenamin hasResearchInterest Ediacaran biota