PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Fasciculodonta

Bivalvia - Actinodontida - Cycloconchidae

Taxonomy

Fasciculodonta was named by Fang and Cope (2004). Its type is Fasciculodonta impressa.

It was assigned to Cycloconchidae by Fang and Cope (2004), Wang et al. (2025).

Species

F. curvata, F. fengyiensis, F. impressa (type species)

Synonymy list

Year	Name and author
2004	Fasciculodonta Fang and Cope pp. 1136 - 1138
2025	Fasciculodonta Wang et al. p. 5

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia

Rank	Name	Author
subclass	Autobranchia	(Groblen 1894)
infraclass	Heteroconchia	(Gray 1854)
—	Cardiomorphi	Ferussac 1822
—	Carditioni	Dall 1889
order	Actinodontida	()
superfamily	Anodontopsoidea	Miller 1889
family	Cycloconchidae	Ulrich 1884
genus	Fasciculodonta

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.

G. †Fasciculodonta Fang and Cope 2004

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†Fasciculodonta curvata Wang et al. 2025

†Fasciculodonta fengyiensis Guo 1985

†Fasciculodonta impressa Fang and Cope 2004

Diagnosis

Reference	Diagnosis
Z.-J. Fang and J.C.W. Cope 2004	Elongate prosogyrate actinodont with small sheaf of ventrally radiating pseudocardinal teeth in each valve, succeeded posteriorly by single elongate posterior pseudolateral tooth in each valve. Isomyarian with deeply impressed adductors.

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

facultatively mobilef

Life habit:

infaunalf

Diet:

suspension feederf

Vision:

blindc

Created:

2009-07-20 12:50:42

Modified:

2009-09-21 16:01:57

Source: f = family, c = class

References: Aberhan et al. 2004, Meyer et al. 2009

Age range: base of the Dapingian to the top of the Darriwilian or 471.30000 to 458.20000 Ma

Collections (14 total)

Time interval	Ma	Country or state	Original ID and collection number
Dapingian	471.3 - 469.4	China	F. impressa (232222 232223 232224) F. impressa, F. fengyiensis (232225)
Darriwilian	469.4 - 458.2	China (Yunnan)	F. curvata (241206) F. fengyiensis (241199 241200) F. impressa (241205 241211) F. impressa, F. curvata (241207 241212 241213 241214) F. impressa, F. fengyiensis (241060)