PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Pojetaia

Bivalvia - Fordillida - Fordillidae

Taxonomy

Pojetaia was named by Jell (1980) [Sepkoski's age data: Cm Atda-l Cm lMid]. It is not extant. Its type is Jellia elliptica.

It was assigned to Praenuculidae by Bengtson et al. (1990); to Radiidentoidei by Parkhaev (2001); to Nuculoida by Sepkoski (2002); to Fordillidae by Elicki and Gürsu (2009); and to Bivalvia by Nevesskaja (2009).

Species

P. dentifera, P. ostseensis, P. ovata, P. runnegari (syn. P. elliptica, Oryzoconcha prisca, P. borealis, P. ovata), P. sarhoensis

Synonyms

Buluniella was named by Jermak (1986) [Sepkoski's age data: Cm l Sepkoski's reference number: ZR87].

It was synonymized subjectively with Fordilla by Runnegar and Pojeta (1992); it was synonymized subjectively with Pojetaia by Elicki and Gürsu (2009).

It was assigned to Modiomorphoida by Sepkoski (2002).
Jellia was named by Li and Zhou (1986) [Sepkoski's age data: Cm l Sepkoski's reference number: ZR86]. It is not extant. Its type is Jellia elliptica.

It was synonymized subjectively with Pojetaia by Geyer and Streng (1998), Parkhaev (2001) and Fang et al. (2009).

It was assigned to Modiomorphoida by Sepkoski (2002).
Oryzoconcha was named by He and Pei (1985).

It was synonymized subjectively with Pojetaia by Runnegar and Pojeta (1992), Hinz-Schallreuter (2000), Parkhaev (2001) and Fang et al. (2009).

Synonymy list

Year	Name and author
1980	Pojetaia Jell
1985	Oryzoconcha He and Pei p. 62
1986	Buluniella Jermak p. 186
1986	Jellia Li and Zhou
1990	Pojetaia Bengtson et al. p. 256
2001	Pojetaia Parkhaev p. 200
2002	Buluniella Sepkoski
2002	Jellia Sepkoski
2002	Pojetaia Sepkoski
2009	Pojetaia Elicki and Gürsu p. 281
2009	Pojetaia Nevesskaja

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

Rank	Name	Author
class	Bivalvia
—	Euprotobranchia	Nevesskaja 2009
order	Fordillida	()
superfamily	Fordilloidea	Pojeta 1975
family	Fordillidae
genus	Pojetaia

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. †Pojetaia Jell 1980

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†Pojetaia dentifera Kouchinsky et al. 2011

†Pojetaia ostseensis Hinz-Schallreuter 1995

†Pojetaia ovata Chen and Wang 1985

†Pojetaia runnegari Jell 1980

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Invalid names: Oryzoconcha prisca He and Pei 1985 [synonym], Pojetaia borealis Jermak 1986 [synonym], Pojetaia elliptica Li and Zhou 1986 [synonym], Pojetaia ovata Li and Zhou 1986 [synonym]

†Pojetaia sarhoensis Geyer and Streng 1998

Invalid names: Buluniella Jermak 1986 [synonym], Jellia Li and Zhou 1986 [synonym], Oryzoconcha He and Pei 1985 [synonym]

Diagnosis

Reference	Diagnosis
O. Elicki and S. Gürsu 2009	Tiny bivalve (less than 2 mm), subequivalved, suboval to slightly elongated; umbo central to subcentral and prosogyral; ligament straight and opisthodetic-parivincular; dentition is of one to three teeth (one to two in each valve); posteriorly a more-or-less developed auricle; externally fine comarginal growth lines and faint ribs dorsoanteriorly; small anterior adductor muscle, posterior adductor muscle sizeable, pallial muscles arranged comarginally as a series of discrete nodes.

Measurements

No measurements are available

Composition:

aragonitec

Entire body:

yesg

Adult length:

1.0 to < 10g

Adult width:

0.1 to < 1.0g

Folds:

noneg

Ribbing:

noneg

Spines:

noneg

Internal reinforcement:

noneg

Locomotion:

stationaryf

Life habit:

shallow infaunalf

Diet:

suspension feederg

Vision:

blindc

Comments:

LIFE HISTORY: Data from Bengston et al. (1990). BODY SIZE: Data from Runnegar & Bentley (1983).g

Created:

2009-04-21 12:21:33

Modified:

2009-06-11 10:00:04

Source: g = genus, f = family, c = class

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

Age range: base of the Montezuman to the top of the Solvan or 520.00000 to 504.50000 Ma

Collections (74 total)

Time interval	Ma	Country or state	Original ID and collection number
Atdabanian	521.0 - 516.0	China (Anhui)	Jellia ovata (157563)
Atdabanian	521.0 - 516.0	Russian Federation (Chitinskaya oblast)	P. runnegari (49373 49374 49376 49377 49379 49381 49388 49391)
Atdabanian	521.0 - 516.0	Australia (South Australia)	P. runnegari (49618 96454 96931 97741 97747 97749 97750 199519)
Nangaoian	521.0 - 514.0	China (Henan)	Oryzoconcha prisca, P. runnegari (49532) P. runnegari (96523)
Montezuman	520.0 - 515.3	Mexico	P. sp. (203107)
Botomian	516.0 - 512.9	China (Shaanxi)	P. runnegari (199515 199516 199517 199534)
Botomian	516.0 - 512.9	Russian Federation (Chitinskaya oblast)	P. runnegari (49383 49384 49385 49386)
Botomian	516.0 - 512.9	Antarctica	P. runnegari (199520 199522 199524 199527 199529 199531)
Botomian	516.0 - 512.9	Australia (South Australia)	P. runnegari (50793 96914 96915 96916 96917 96932 96958 96959 96963 96964 96965 97723 97726 97730 97751 97770 97771 97772 97773 97774 97775 97776 97777 156332 172616 225121)
Dyeran	515.3 - 511.2	Greenland (Peary Land)	P. runnegari (210618)
Dyeran	515.3 - 511.2	Canada (Newfoundland and Labrador)	P. runnegari (50783 78748)
Dyeran	515.3 - 511.2	USA (New York)	Fordilla troyensis (78767)
Dyeran	515.3 - 511.2	Greenland	P. runnegari (49461 49464 49471 49473 67781)
Dyeran	515.3 - 511.2	Canada (Quebec)	Fordilla troyensis (78754 78755)
Toyonian	512.9 - 510.2	Turkey (Konya)	P. runnegari (91535 184793)
Solvan	510.2 - 504.5	Russian Federation (Siberia)	P. dentifera (49431)