PBDB Taxon

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Apycnodiscidae

Cyclocystoidea - Apycnodiscidae

Taxonomy

Apycnodiscidae was named by Boczarowski (2001).

It was assigned to Cyclocystoidea by Boczarowski (2001).

Subtaxa

Apparatocycloides, Brutocycloides, Chimaerocycloides, Concavocycloides, Linguacycloides, Neocyclocystoides, Paradoxocycloides, Platycycloides, Smithocycloides

Synonymy list

Year	Name and author
2001	Apycnodiscidae Boczarowski p. 55

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
—	Ambulacraria

Rank	Name	Author
phylum	Echinodermata
class	Cyclocystoidea	Miller and Gurley 1895
family	Apycnodiscidae
family	Apycnodiscidae

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Fm. †Apycnodiscidae Boczarowski 2001

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G. †Apparatocycloides Boczarowski 2001

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†Apparatocycloides satanus Boczarowski 2001

G. †Brutocycloides Boczarowski 2001

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†Brutocycloides cerebrum Boczarowski 2001

G. †Chimaerocycloides Boczarowski 2001

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†Chimaerocycloides chimaerus Boczarowski 2001

G. †Concavocycloides Boczarowski 2001

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†Concavocycloides eifeliensis Boczarowski 2001

†Concavocycloides frasniensis Boczarowski 2001

†Concavocycloides givetiensis Boczarowski 2001

G. †Linguacycloides Boczarowski 2001

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†Linguacycloides trapes Boczarowski 2001

G. †Neocyclocystoides Boczarowski 2001

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†Neocyclocystoides neocyclocystoides Boczarowski 2001

G. †Paradoxocycloides Boczarowski 2001

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†Paradoxocycloides planus Boczarowski 2001

G. †Platycycloides Boczarowski 2001

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†Platycycloides foraminis Boczarowski 2001

G. †Smithocycloides Boczarowski 2001

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†Smithocycloides paulii Boczarowski 2001

Diagnosis

Reference	Diagnosis
A. Boczarowski 2001	Marginal ring consists of (16?) 18 to 33 marginals each with one to seven cupules (specific to the genus) or varying around the circle. On the dorsal side the neighbouring plates do not contact, eve partially, along their lateral edges.

Measurements

No measurements are available

Composition:

high Mg calcitec

Ontogeny:

accretion, addition of partsp

Environment:

marinec

Locomotion:

stationaryc

Life habit:

low-level epifaunalc

Dispersal:

waterp

Dispersal 2:

planktonicp

Created:

2009-05-17 02:20:57

Modified:

2009-10-06 09:19:17

Source: c = class, p = phylum

References: Kiessling 2004, Aberhan 1992

Age range: base of the Emsian to the top of the Middle Frasnian or 410.62000 to 375.20000 Ma

Collections (7 total)

Time interval	Ma	Country or state	Original ID and collection number
Emsian	410.62 - 393.47	Poland (Kielecki)	Linguacycloides trapes, Concavocycloides givetiensis (94468) Linguacycloides trapes, Neocyclocystoides neocyclocystoides, Paradoxocycloides planus, Concavocycloides givetiensis (94469)
Eifelian	393.47 - 387.95	Poland (Swietokrzyskie)	Concavocycloides eifeliensis (94477)
Late/Upper Givetian	383.4 - 382.31	Poland	Linguacycloides trapes, Concavocycloides givetiensis (83086) Linguacycloides trapes, Neocyclocystoides neocyclocystoides, Concavocycloides givetiensis (82739)
Middle Frasnian	379.0 - 375.2	Poland (Swietokrzyskie Voivodship)	Platycycloides foraminis, Brutocycloides cerebrum (99450)
Middle Frasnian	379.0 - 375.2	Poland	Smithocycloides paulii, Platycycloides foraminis, Apparatocycloides satanus, Concavocycloides frasniensis, Brutocycloides cerebrum, Chimaerocycloides chimaerus (99445)