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BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems

Problematica

Photos

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	7285	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=7285

Rank

phylum (PBDB)

Taxonomy (PBDB)

Life : Animalia : Problematica

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
phylum	Problematica

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Problematica	phylum	belongs to Metazoa	second hand	Sepkoski, 2002

Taxon Size (PBDB)

500

First Recorded Appearance

635 - 541 Ma
Neoproterozoic

Primary Reference (PBDB)

J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Cambroclavida ✝ class	listed (PBDB)	189	541 Ma Cambrian	516 Ma Cambrian
Coeloscleritophora ✝ class	listed (PBDB)	631	541 Ma Cambrian	497 Ma Cambrian
Cribricyathea class	listed (PBDB)	7	635 Ma Neoproterozoic	516 Ma Cambrian
Dinocardia class	listed (PBDB)
Coleoloida order	listed (PBDB)	33	359 Ma Late/Upper Devonian	336 Ma Carboniferous
Paiutiida ✝ order	listed (PBDB)
Sabelliditida ✝ order	listed (PBDB)	21	635 Ma Neoproterozoic	520 Ma Cambrian
Volborthellida order	listed (PBDB)
Anabaritidae ✝ family	accepted (GBIF) listed (PBDB)	386	635 Ma Neoproterozoic	516 Ma Cambrian
Coleolidae ✝ family	accepted (GBIF) listed (PBDB)	114	635 Ma Neoproterozoic	318 Ma Carboniferous
Cupithecidae ✝ family	listed (PBDB)	117	541 Ma Cambrian	89.8 Ma Late/Upper Cretaceous
Eldoniidae ✝ family	listed (PBDB)	15	520 Ma Cambrian	513 Ma Cambrian
Mobergellidae ✝ family	listed (PBDB)	59	541 Ma Cambrian	513 Ma Cambrian
Paropsonemidae ✝ family	listed (PBDB)
Pteromidae ✝ family	listed (PBDB)	9	541 Ma Cambrian	530 Ma Cambrian
Rotadiscidae ✝ family	listed (PBDB)	2	520 Ma Cambrian	516 Ma Cambrian
Stoibostrombidae ✝ family	listed (PBDB)	34	541 Ma Cambrian	516 Ma Cambrian
Acanthoclava ✝ genus	listed (PBDB)
Acanthosphaera ✝ genus	listed (PBDB)
Acidotocarena ✝ genus	listed (PBDB)
Acutitheca ✝ genus	listed (PBDB)
Ainiktozoon ✝ genus	listed (PBDB)
Aksuglobulus ✝ genus	listed (PBDB)	1	541 Ma Cambrian	541 Ma Cambrian
Amiskwia ✝ genus	listed (PBDB)	2	520 Ma Cambrian	513 Ma Cambrian
Amoebinella ✝ genus	listed (PBDB)
Ancientia ✝ genus	listed (PBDB)	3	450 Ma Late/Upper Ordovician	450 Ma Late/Upper Ordovician
Andobolus ✝ genus	listed (PBDB)
Anzalia ✝ genus	listed (PBDB)
Archaeooides ✝ genus	listed (PBDB)	34	541 Ma Cambrian	516 Ma Cambrian
Archaeopetasus ✝ genus	listed (PBDB)	19	530 Ma Cambrian	516 Ma Cambrian
Archaeotremaria ✝ genus	listed (PBDB)	3	541 Ma Cambrian	530 Ma Cambrian
Artimyctella ✝ genus	listed (PBDB)
Ascosyrinx ✝ genus	listed (PBDB)
Aurisella ✝ genus	listed (PBDB)
Baccanella ✝ genus	listed (PBDB)	54	247 Ma Early/Lower Triassic	164 Ma Middle Jurassic
Bacinella ✝ genus	listed (PBDB)	179	279 Ma Permian	72.1 Ma Late/Upper Cretaceous
Bactryllium ✝ genus	listed (PBDB)	13	228 Ma Late/Upper Triassic	209 Ma Late/Upper Triassic
Banffia ✝ genus	listed (PBDB)	3	520 Ma Cambrian	513 Ma Cambrian
Beltania ✝ genus	listed (PBDB)
Biconulites ✝ genus	listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Bicornifera ✝ genus	listed (PBDB)
Bija ✝ genus	listed (PBDB)	9	530 Ma Cambrian	516 Ma Cambrian
Bioistodina ✝ genus	listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Bovicornellum ✝ genus	listed (PBDB)	1	513 Ma Cambrian	513 Ma Cambrian
Cambrocassis ✝ genus	listed (PBDB)
Cambrogeorgina ✝ genus	listed (PBDB)	5	513 Ma Cambrian	507 Ma Cambrian
Caveacus ✝ genus	listed (PBDB)	8	530 Ma Cambrian	520 Ma Cambrian
Cestites ✝ genus	listed (PBDB)	1	468 Ma Middle Ordovician	468 Ma Middle Ordovician
Chalasiocranos ✝ genus	listed (PBDB)
Clavitella ✝ genus	listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Coleoloides ✝ genus	listed (PBDB)	44	541 Ma Cambrian	516 Ma Cambrian
Cristatodus ✝ genus	listed (PBDB)
Cyclogeorgina ✝ genus	listed (PBDB)
Cyrtochites ✝ genus	listed (PBDB)	14	541 Ma Cambrian	530 Ma Cambrian
Dentachites ✝ genus	listed (PBDB)
Dimorphoconus ✝ genus	listed (PBDB)
Dinomischus ✝ genus	listed (PBDB)	7	520 Ma Cambrian	513 Ma Cambrian
Dolichomocelypha ✝ genus	listed (PBDB)
Emeithella ✝ genus	listed (PBDB)	5	541 Ma Cambrian	541 Ma Cambrian
Emmonsaspis ✝ genus	listed (PBDB)	2	530 Ma Cambrian	516 Ma Cambrian
Enchostoma ✝ genus	listed (PBDB)	1	331 Ma Carboniferous	331 Ma Carboniferous
Endosacculus ✝ genus	listed (PBDB)
Eocucumaria ✝ genus	listed (PBDB)
Eoescharopora ✝ genus	listed (PBDB)	1	530 Ma Cambrian	530 Ma Cambrian
Etacystis ✝ genus	listed (PBDB)
Facivermis ✝ genus	listed (PBDB)	7	520 Ma Cambrian	516 Ma Cambrian
Fensiangia ✝ genus	listed (PBDB)
Flabetheca ✝ genus	listed (PBDB)	1	541 Ma Cambrian	541 Ma Cambrian
Fomitchella ✝ genus	listed (PBDB)	23	541 Ma Cambrian	530 Ma Cambrian
Fusuconcharium ✝ genus	listed (PBDB)
Gochtia ✝ genus	listed (PBDB)	2	456 Ma Late/Upper Ordovician	445 Ma Late/Upper Ordovician
Harttites ✝ genus	listed (PBDB)
Henaniodus ✝ genus	listed (PBDB)	7	516 Ma Cambrian	516 Ma Cambrian
Hensonella ✝ genus	listed (PBDB)	1	125 Ma Early/Lower Cretaceous	125 Ma Early/Lower Cretaceous
Heosomocelypha ✝ genus	listed (PBDB)
Heterosculpotheca ✝ genus	listed (PBDB)
Huangshandongella ✝ genus	listed (PBDB)	2	541 Ma Cambrian	541 Ma Cambrian
Huishea ✝ genus	listed (PBDB)
Huizenodus ✝ genus	listed (PBDB)
Humboldtochaeta ✝ genus	listed (PBDB)
Indocera ✝ genus	listed (PBDB)
Isnella ✝ genus	listed (PBDB)	5	237 Ma Middle Triassic	237 Ma Middle Triassic
Jiangshanodus ✝ genus	listed (PBDB)
Kazakhstanotubulus ✝ genus	listed (PBDB)
Kiehnensus ✝ genus	listed (PBDB)
Koksodus ✝ genus	listed (PBDB)	1	530 Ma Cambrian	530 Ma Cambrian
Korilacus ✝ genus	listed (PBDB)	1	541 Ma Cambrian	541 Ma Cambrian
Labyrinthotuba ✝ genus	listed (PBDB)
Labyrinthus ✝ genus	listed (PBDB)	2	516 Ma Cambrian	47.8 Ma Eocene
Ladinella ✝ genus	listed (PBDB)	41	247 Ma Early/Lower Triassic	209 Ma Late/Upper Triassic
Lenaella ✝ genus	listed (PBDB)
Libodiscus ✝ genus	listed (PBDB)
Lidaconus ✝ genus	listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Lombardia ✝ genus	listed (PBDB)
Lonchosaccus ✝ genus	listed (PBDB)
Lukatiella ✝ genus	listed (PBDB)
Mabiania ✝ genus	listed (PBDB)
Mamillodus ✝ genus	listed (PBDB)
Marcusodictyon ✝ genus	listed (PBDB)	5	485 Ma Cambrian	485 Ma Cambrian
Megasphaera ✝ genus	listed (PBDB)	7	635 Ma Neoproterozoic	635 Ma Neoproterozoic
Meghystrichosphaeridium ✝ genus	listed (PBDB)	6	635 Ma Neoproterozoic	635 Ma Neoproterozoic
Melopetasus ✝ genus	listed (PBDB)
Microancientia ✝ genus	listed (PBDB)
Micropylepora ✝ genus	listed (PBDB)
Microschedia ✝ genus	listed (PBDB)	1	520 Ma Cambrian	520 Ma Cambrian
Miratheca ✝ genus	listed (PBDB)
Mongoliacus ✝ genus	listed (PBDB)
Mongolitesta ✝ genus	listed (PBDB)
Nevadatubulus ✝ genus	listed (PBDB)	2	530 Ma Cambrian	530 Ma Cambrian
Nicolarites ✝ genus	listed (PBDB)
Ningqiangsclerites ✝ genus	listed (PBDB)	1	541 Ma Cambrian	541 Ma Cambrian
Niphadus ✝ genus	listed (PBDB)
Oesia ✝ genus	listed (PBDB)	21	513 Ma Cambrian	513 Ma Cambrian
Onuphionella ✝ genus	listed (PBDB)
Opabinia ✝ genus	accepted (GBIF) listed (PBDB)	2	513 Ma Cambrian	513 Ma Cambrian
Palaeobotryllus ✝ genus	listed (PBDB)	1	541 Ma Cambrian	541 Ma Cambrian
Paleocenosphaera ✝ genus	listed (PBDB)
Pararenicola ✝ genus	listed (PBDB)	2	635 Ma Neoproterozoic	635 Ma Neoproterozoic
Parvulonoda ✝ genus	listed (PBDB)	2	520 Ma Cambrian	520 Ma Cambrian
Phyllochiton ✝ genus	listed (PBDB)	1	520 Ma Cambrian	520 Ma Cambrian
Platydendron ✝ genus	listed (PBDB)
Plexoramea ✝ genus	listed (PBDB)	32	247 Ma Early/Lower Triassic	222 Ma Late/Upper Triassic
Plicatolingula ✝ genus	listed (PBDB)
Plinthokonion ✝ genus	listed (PBDB)	11	541 Ma Cambrian	516 Ma Cambrian
Pollingeria ✝ genus	listed (PBDB)	24	513 Ma Cambrian	513 Ma Cambrian
Polysiphonidia ✝ genus	listed (PBDB)
Poratites ✝ genus	listed (PBDB)
Porocystis ✝ genus	listed (PBDB)
Portalia ✝ genus	listed (PBDB)	3	513 Ma Cambrian	513 Ma Cambrian
Pragmotheca ✝ genus	listed (PBDB)
Primaconulariella ✝ genus	listed (PBDB)
Problematikum ✝ genus	listed (PBDB)	5	237 Ma Middle Triassic	209 Ma Late/Upper Triassic
Protoarenicola ✝ genus	listed (PBDB)	2	635 Ma Neoproterozoic	635 Ma Neoproterozoic
Protobolus ✝ genus	listed (PBDB)
Protomelission ✝ genus	listed (PBDB)	2	516 Ma Cambrian	516 Ma Cambrian
Protopterygotheca ✝ genus	listed (PBDB)	3	541 Ma Cambrian	541 Ma Cambrian
Psamathopalass ✝ genus	listed (PBDB)
Pterpmus ✝ genus	listed (PBDB)
Ptiloncodus ✝ genus	listed (PBDB)	5	479 Ma Early/Lower Ordovician	450 Ma Late/Upper Ordovician
Punctatus ✝ genus	listed (PBDB)	17	541 Ma Cambrian	541 Ma Cambrian
Pyrgites ✝ genus	listed (PBDB)	1	541 Ma Cambrian	541 Ma Cambrian
Quadratapora ✝ genus	listed (PBDB)
Quadrorites ✝ genus	listed (PBDB)	1	541 Ma Cambrian	541 Ma Cambrian
Radiaxialia ✝ genus	listed (PBDB)
Radiomura ✝ genus	listed (PBDB)	54	247 Ma Early/Lower Triassic	145 Ma Late Jurassic
Redkinia ✝ genus	listed (PBDB)
Redoubtia ✝ genus	listed (PBDB)
Resegia ✝ genus	listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Rhagnura ✝ genus	listed (PBDB)
Rhombocorniculum ✝ genus	listed (PBDB)	31	541 Ma Cambrian	516 Ma Cambrian
Rugatotheca ✝ genus	listed (PBDB)	2	541 Ma Cambrian	541 Ma Cambrian
Sagittitheca ✝ genus	listed (PBDB)
Salanacus ✝ genus	listed (PBDB)
Scambocris ✝ genus	listed (PBDB)
Scissotheca ✝ genus	listed (PBDB)	1	541 Ma Cambrian	541 Ma Cambrian
Selenoplax ✝ genus	listed (PBDB)
Seletinicus ✝ genus	listed (PBDB)
Shamovella ✝ genus	listed (PBDB)	135	343 Ma Carboniferous	152 Ma Late Jurassic
Shetlandia ✝ genus	listed (PBDB)
Shinteinella ✝ genus	listed (PBDB)
Solenotia ✝ genus	listed (PBDB)	5	541 Ma Cambrian	541 Ma Cambrian
Sphenopteron ✝ genus	listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Spinoceras ✝ genus	listed (PBDB)
Spiralella ✝ genus	listed (PBDB)	1	56.0 Ma Paleocene	56.0 Ma Paleocene
Stefania ✝ genus	listed (PBDB)
Stictoconus ✝ genus	listed (PBDB)	1	530 Ma Cambrian	530 Ma Cambrian
Taitia ✝ genus	listed (PBDB)
Tayshira ✝ genus	listed (PBDB)
Tchangsichiton ✝ genus	listed (PBDB)
Tintinnoidella ✝ genus	listed (PBDB)	1	520 Ma Cambrian	520 Ma Cambrian
Tommotitubulus ✝ genus	listed (PBDB)	2	530 Ma Cambrian	530 Ma Cambrian
Tridia ✝ genus	listed (PBDB)	2	635 Ma Neoproterozoic	635 Ma Neoproterozoic
Triplicatella ✝ genus	listed (PBDB)	53	541 Ma Cambrian	516 Ma Cambrian
Tubigeorgina ✝ genus	listed (PBDB)
Tubulella ✝ genus	listed (PBDB)	5	513 Ma Cambrian	513 Ma Cambrian
Tullimonstrum ✝ genus	accepted (GBIF) listed (PBDB)	1	311 Ma Carboniferous	311 Ma Carboniferous
Tumulduria ✝ genus	listed (PBDB)	4	530 Ma Cambrian	530 Ma Cambrian
Tunudiscus ✝ genus	listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Tuvinia ✝ genus	listed (PBDB)	1	419 Ma Early/Lower Devonian	419 Ma Early/Lower Devonian
Wushicites ✝ genus	listed (PBDB)
Yangtzesclerites ✝ genus	listed (PBDB)	1	541 Ma Cambrian	541 Ma Cambrian
Yuliunia ✝ genus	listed (PBDB)
Yunnanodus ✝ genus	listed (PBDB)	4	530 Ma Cambrian	516 Ma Cambrian

Synonymy List

Year	Name and Author
2002	Problematica Sepkoski, Jr.

References

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

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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