Vendobionta (historical hypothesis)

E786457

Vendobionta is a historical hypothesis proposing a distinct, now-extinct group of soft-bodied, frond-like organisms that dominated the Ediacaran biota and were thought to be unrelated to modern animal lineages.

All labels observed (1)

Label Occurrences
Vendobionta (historical hypothesis) canonical 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf historical biological hypothesis
hypothetical clade
alternativeInterpretationsInclude giant protists (historical minority view)
lichens or microbial colonies (historical minority view)
stem-group animals
basedOnEvidenceType impression fossils
soft-tissue preservation in sediment molds
concerns Ediacaran biota
contrastedWith Metazoa
modern animal phyla
describes frond-like organisms
quilted organisms
soft-bodied organisms
ecologicalRole benthic organisms
mat encrusters on microbial mats
sessile organisms
extinctionStatus extinct
geologicalContext Ediacaran fossil localities
marine environments
shallow-water settings
historicalSignificance influential in debates on early animal evolution
shaped discussion of Ediacaran organism affinities
includesHypothetically Charnia-like forms
Dickinsonia-like forms
Rangeomorpha
keyArgument lack of clear evidence for feeding structures typical of animals
unique quilted body plan distinct from known animal body plans
morphologicalFeature fractal-like branching in some forms
lack of clear head or tail
lack of obvious mouth, gut, or anus
modular construction
repetitive units ("quilts" or "pneu" units)
phylogeneticInterpretation interpreted as a separate kingdom-level group by some authors
originally proposed as unrelated to modern animal lineages
sometimes considered a failed evolutionary experiment
proposedBy Adolf Seilacher
proposedIn 1980s
relatedConcept Avalon assemblage
Ediacaran biota
Vendozoa
quilted Ediacaran organisms
scientificReception controversial
increasingly superseded by alternative interpretations
not widely accepted as a formal clade
taxonomicStatus hypothetical and disputed
temporalRange Ediacaran Period
late Precambrian
thoughtToDominate Ediacaran macrobiota
linked to: Ediacaran biota

Ediacaran seafloor communities

How these facts were elicited

Referenced by (1)

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

Pteridinium possibleAffinity Vendobionta (historical hypothesis)