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Cyclothyrididae ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	3252093	https://www.gbif.org/species/3252093
PaleoBioDB ID (PBDB)	81035	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=81035

Rank

family

Taxonomy (GBIF,PBDB)

Life : Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Cyclothyrididae

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
superphylum	Lophotrochozoa
-	Lophophorata
phylum	Brachiopoda	Cuvier 1805
subphylum	Rhynchonelliformea	Williams et al. 1996
class	Rhynchonellata	Williams et al. 1996
order	Rhynchonellida	Kuhn 1949
superfamily	Hemithiridoidea	Rzhonsnitskaya 1956
family	Cyclothyrididae	Makridin 1964

Scientific Name

Cyclothyrididae

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Cyclothyrididae	family	belongs to Hemithiridoidea	stated with evidence	Williams et al., 2002

Status (PBDB)

extinct

Taxon Size (PBDB)

229

First Recorded Appearance

247 - 242 Ma
Triassic

Last Recorded Appearance

70.6 - 66.0 Ma
Late/Upper Cretaceous

Motility

stationary (based on Rhynchonellida)

Vision

blind (based on Rhynchonellata)

Diet

suspension feeder (based on Rhynchonellida)

Taphonomy

low Mg calcite (based on Brachiopoda)

Primary Reference (PBDB)

V. P. Makridin. 1964. Brakhiopody Yurskikh Otlozheniy Russkoy Platformy i Nekotorykh Prilezhashchikh k Ney Oblastey

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Cardinirhynchiinae ✝ subfamily	listed (PBDB)		74	176 Ma Early Jurassic	165 Ma Middle Jurassic
Cyclothyridinae ✝ subfamily	listed (PBDB)		991	247 Ma Early/Lower Triassic	70.6 Ma Late/Upper Cretaceous
Indorhynchiinae ✝ subfamily	listed (PBDB)		3	170 Ma Middle Jurassic	168 Ma Middle Jurassic
Alebusirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		3	197 Ma Early Jurassic	190 Ma Early Jurassic
Almerarhynchia ✝ genus	accepted (GBIF) listed (PBDB)		4	83.5 Ma Late/Upper Cretaceous	70.6 Ma Late/Upper Cretaceous
Aucklandirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		95	191 Ma Early Jurassic	165 Ma Middle Jurassic
Bicepsirhynchia ✝ genus	accepted (GBIF) listed (PBDB)
Cardinirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		10	172 Ma Middle Jurassic	165 Ma Middle Jurassic
Costirhynchopsis ✝ genus	accepted (GBIF) listed (PBDB)		99	247 Ma Early/Lower Triassic	232 Ma Late/Upper Triassic
Cyclothyris ✝ genus	accepted (GBIF) listed (PBDB)		125	151 Ma Late Jurassic	83.5 Ma Late/Upper Cretaceous
Eurysites ✝ genus	accepted (GBIF) listed (PBDB)		15	170 Ma Middle Jurassic	166 Ma Middle Jurassic
Fissirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		118	232 Ma Late/Upper Triassic	206 Ma Late/Upper Triassic
Flabellirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		16	174 Ma Middle Jurassic	166 Ma Middle Jurassic
Globirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		51	180 Ma Early Jurassic	168 Ma Middle Jurassic
Granulirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		3	176 Ma Early Jurassic	174 Ma Middle Jurassic
Halorellina ✝ genus	accepted (GBIF) listed (PBDB)		1	222 Ma Late/Upper Triassic	222 Ma Late/Upper Triassic
Lacunaerhynchia ✝ genus	accepted (GBIF) listed (PBDB)		29	174 Ma Middle Jurassic	165 Ma Middle Jurassic
Lamellaerhynchia ✝ genus	accepted (GBIF) listed (PBDB)		73	190 Ma Early Jurassic	99.6 Ma Late/Upper Cretaceous
Lepidorhynchia ✝ genus	accepted (GBIF) listed (PBDB)		6	136 Ma Early/Lower Cretaceous	130 Ma Early/Lower Cretaceous
Lobachevina ✝ genus	accepted (GBIF) listed (PBDB)		7	125 Ma Early/Lower Cretaceous	122 Ma Early/Lower Cretaceous
Moquellina ✝ genus	accepted (GBIF) listed (PBDB)
Pararhactorhynchia ✝ genus	accepted (GBIF) listed (PBDB)
Parvirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		33	176 Ma Early Jurassic	165 Ma Middle Jurassic
Plicarostrum ✝ genus	accepted (GBIF) listed (PBDB)		23	140 Ma Early/Lower Cretaceous	130 Ma Early/Lower Cretaceous
Rudirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		63	197 Ma Early Jurassic	180 Ma Early Jurassic
Septaliphoria ✝ genus	accepted (GBIF) listed (PBDB)		107	170 Ma Middle Jurassic	133 Ma Early/Lower Cretaceous
Septocyclothyris ✝ genus	accepted (GBIF) listed (PBDB)		1	216 Ma Late/Upper Triassic	216 Ma Late/Upper Triassic
Squamirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		16	197 Ma Early Jurassic	174 Ma Middle Jurassic
Strongyloria ✝ genus	accepted (GBIF) listed (PBDB)		3	170 Ma Middle Jurassic	168 Ma Middle Jurassic
Sulcirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		49	145 Ma Late Jurassic	125 Ma Early/Lower Cretaceous
Tanggularella ✝ genus	accepted (GBIF) listed (PBDB)
Timorhynchia ✝ genus	accepted (GBIF) listed (PBDB)		20	242 Ma Middle Triassic	216 Ma Late/Upper Triassic
Torquirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		45	170 Ma Middle Jurassic	151 Ma Late Jurassic
Woodwardirhynchia ✝ genus	accepted (GBIF) listed (PBDB)		38	93.5 Ma Late/Upper Cretaceous	70.6 Ma Late/Upper Cretaceous
Yidunella ✝ genus	accepted (GBIF) listed (PBDB)		10	237 Ma Middle Triassic	209 Ma Late/Upper Triassic
Yulongella ✝ genus	accepted (GBIF) listed (PBDB)		1	216 Ma Late/Upper Triassic	216 Ma Late/Upper Triassic
Lamellirhynchia rostriformis species	accepted (GBIF)	No associated record in PBDB

Synonymy List

Year	Name and Author
1964	Cyclothyridae Makridin p. 189
2002	Cyclothyrididae Williams et al. p. 1326
2019	Cyclothyrididae Gaetani p. 105

References

Makridin V. P. (1964) , Brakhiopody Yurskikh Otlozheniy Russkoy Platformy i Nekotorykh Prilezhashchikh k Ney Oblastey, 1-390

Williams A., Brunton C. H. C., et al (2002) Part H Brachiopoda (revised): Volume 4, Rhynchonelliformea (part), Treatise on Invertebrate Paleontology, 921-1688

Gaetani M. (2019) Systematic palaeontology, in Upper Spathian to Bithynian (Lower to Middle Triassic) brachiopods from North Dobrogea (Romania), Rivista Italiana di Paleontologia e Stratigrafia 125, 91-123

The Paleobiology Database (2010 version). - via The Interim Register of Marine and Nonmarine Genera

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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