PBDB Taxon

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

Parallelodon minima

Bivalvia - Arcida - Parallelodontidae

Taxonomy

Pleurophorus minimus was named by Worthen (1884). It is a 3D body fossil.

It was recombined as Parallelodon minima by Hoare (1993).

Sister species lacking formal opinion data

P. azzarolae, P. azzouzi, P. baconicum, P. beyerchi, P. beyrichi, P. bistriatus, P. breweriana, P. buchmani, P. buckmani, P. bynei, P. caprinus, P. carbonarius, P. cingulatus, P. cingulatus, P. concinnum, P. corrugatus, P. cumshewaensis, P. curioni, P. curionii, P. currioni, P. cypriniformis, P. esiensis, P. esinense, P. esinensis, P. eudesi, P. formosissima, P. formosissimum, P. formosissimus, P. fossa, P. fraiponti, P. guangxiensis, P. hettangensis, P. hettangiense, P. hexacostata, P. illinoisensis, P. imagnesis, P. imbricarium, P. impressum, P. infraliassicus, P. infrequens, P. insignis, P. irvinensis, P. kingi, P. koikensis, P. louisianensis, P. lutugini, P. luxdorfensis, P. meridionalis, P. mimina, P. obtusus, P. ornatissimus, P. pindiroensis, P. productum, P. pullus, P. pumilus, P. quichaurensis, P. rugosum, P. semicostatus, P. simillimus, P. simplex, P. squamifer, P. squamosus, P. striatus, P. sulcosus, P. tenuistriata, P. theciformis, P. truncatus, P. verneuilianus, P. verneuilianus, P. vokesi, P. walciodorensis, P. inflatus, P. infraliassicus, P. kesennumensis, P. koikensis, P. nipponicus, P. niranohamensis, P. esinense, P. subnavicellus, P. kobayashii

Entered

by P. Wagner on 2008-12-16

Synonymy list

Year	Name and author
1884	Pleurophorus minimus Worthen p. 17
1993	Parallelodon minima Hoare pp. 378 – 379 fig. 3.1

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

Rank	Name	Author
subclass	Autobranchia	(Groblen 1894)
infraclass	Pteriomorphia	(Beurlen 1944)
order	Arcida	(Stoliczka 1871)
superfamily	Arcoidea	(Lamarck 1809)
family	Parallelodontidae	Dall 1898
subfamily	Parallelodontinae	Dall 1898
genus	Parallelodon
species	minima	(Worthen 1884)

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.

†Parallelodon minima Worthen 1884

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Diagnosis

Reference	Diagnosis
R. D. Hoare 1993	Parallelodon with convex ventral margin and subdued umbonal ridge; posterior margin truncate; anterior margin strongly convex; surface ornamentation of numerous, closely spaced, bifurcating, radial ribs over body of valve; posterodorsal area above umbonal ridge with fewer, more widely spaced, radial ribs; strong comarginal growth lines present; internal features not observed.

Measurements

No measurements are available

Composition:

aragoniteo

Locomotion:

facultatively mobileg

Attached:

yesg

Life habit:

low-level epifaunalg

Diet:

suspension feederg

Vision:

blindc

Created:

2009-04-13 11:21:49

Modified:

2009-10-10 18:20:39

Source: g = genus, o = order, c = class

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

Age range: Serpukhovian or 330.30000 to 323.40000 Ma

Collections (2 total)

Time interval	Ma	Country or state	Original ID and collection number
Chesterian	335.4 - 323.4	USA (Arizona)	Parallelodon minima (124256)
Serpukhovian	330.3 - 323.4	USA (West Virginia)	Parallelodon minima (56142)