PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Paracyclas occidentalis

Bivalvia - Lucinida - Paracyclidae

Taxonomy

Lucina (Paracyclas) elliptica occidentalis was named by Hall and Whitfield (1872).

It was recombined as Paracyclas occidentalis by Walcott (1884).

Sister species lacking formal opinion data

P. alleni, P. antiqua, P. arguta, P. belgica, P. bohemica, P. ellipticus, P. insueta, P. lirata, P. marginata, P. numismalis, P. parvula, P. rowleyi, P. rugosa, P. sabini, P. tenuis, P. devoniana, P. dubius, P. lirata, P. parvula, P. paucipleura, P. rowleyi, P. rugosa, P. sabini, P. validalinea, P. validelinea, P. bulla, P. perovalis, P. quadratus, P. antiqua, P. valnevensis, P. giganteus, P. lirata, P. pohly, P. seminularis

Synonymy list

Year	Name and author
1872	Lucina (Paracyclas) elliptica occidentalis Hall and Whitfield p. 189
1884	Paracyclas occidentalis Walcott p. 178

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Bivalvia
—	Eubivalvia
subclass	Autobranchia	(Groblen 1894)

Rank	Name	Author
infraclass	Heteroconchia	(Gray 1854)
—	Cardiomorphi	Ferussac 1822
—	Cardioni	Ferussac 1822
—	Lucinidia	Gray 1854
order	Lucinida	(Stoliczka 1871)
superfamily	Lucinoidea	Fleming 1828
family	Paracyclidae	Johnston 1993
genus	Paracyclas	Hall 1843
species	occidentalis	(Hall and Whitfield 1872)

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.

†Paracyclas occidentalis Hall and Whitfield 1872

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Locomotion:

facultatively mobilesuperf

Life habit:

infaunalsuperf

Diet:

chemosymbioticsuperf

Vision:

blindc

Created:

2009-09-09 13:48:27

Modified:

2009-09-09 16:06:59

Source: superf = superfamily, c = class

References: Sanchez Roig 1926, Aberhan et al. 2004

Age range: base of the Eifelian to the top of the Givetian or 393.47000 to 382.31000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Eifelian - Givetian	393.47 - 382.31	USA (Indiana)	Paracyclas occidentalis (54863)