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Beckwithiidae ✝

Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)Not linked to a GBIF record.
PaleoBioDB ID (PBDB)142301https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=142301
Rankfamily (PBDB)
Taxonomy (PBDB)Life : Animalia : Arthropoda : Xiphosura : Aglaspida : Beckwithiidae
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-Bilateria
-EubilateriaAx 1987
-ProtostomiaGrobben 1908
-Ecdysozoa
-Panarthropoda
phylumArthropodaLatreille 1829
subphylumChelicerataHeymons 1901
-EuchelicerataWeygoldt and Paulus 1979
-ProsomapodaLamsdell 2013
classXiphosura
orderAglaspidaWalcott 1911
familyBeckwithiidaeRaasch 1939
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Beckwithiidaefamilybelongs to Aglaspidastated with evidenceStørmer, 1955
Status (PBDB)extinct
Taxon Size (PBDB)2
First Recorded Appearance501 - 485 Ma
Cambrian
Last Recorded Appearance497 - 485 Ma
Cambrian
Motilityactively mobile (based on Beckwithiidae)
Visionwell-developed (based on Aglaspida)
Dietcarnivore (based on Beckwithiidae)
Ecospace CommentsData from personal opinion (Lin, pers. comm.), inferred from modern analogue (e.g. Limulus).
Taphonomyphosphatic (based on Aglaspida)
Primary Reference (PBDB)L. Størmer. 1955. Part P, Arthropoda 2: Merostomata. Treatise on Invertebrate Paleontology P(2):4-41

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Beckwithia
genus
listed (PBDB)2501 Ma
Cambrian
497 Ma
Cambrian

Synonymy List

YearName and Author
1939Beckwithiidae Raasch
1955Beckwithiidae Størmer p. 14

References

Størmer L. (1955) Part P, Arthropoda 2: Merostomata, Treatise on Invertebrate Paleontology P 2, 4-41
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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