<i>Paramblypterus duvernoyi</i>(Actinopterygii): skull morphology and intra-specific variation, and its implications for the systematics of paramblypterid fishes

Dietze, Kathrin

doi:10.1080/02724634.1999.10011139

Cited by 23 publications

(31 citation statements)

References 8 publications

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“…Moreover, not all the scales on the body are serrated. and the area on the body bearing ornamented scales appears to decrease during ontogeny (Dietze 1998). As mentioned earlier.…”

Section: B O D Y F O R M S Q U a M A T I O N A N D O S S I F I C supporting

confidence: 48%

“…The latter appears to apply for Paramblypterus. Thus, what has been considered a metapterygoid earlier for Pmimhlvpteriis (Dietze 2000) is likely to represent a dermo-metapterygoid only.…”

Section: Feeding Apparatusmentioning

confidence: 99%

“…P dztvernoyi is a member of the family Amblypteridae and, together with the other members of this family P gelbrrti, F! tiecorus, and Anzblypterus lotus, has been described recently (Dietze 1998(Dietze , 1999(Dietze , 2000. Their morphology and intra-specific variation has been examined in detail and were the basis for three-dimensional models of the skull and the body.…”

Section: Introductionmentioning

confidence: 99%

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Biological aspects of an interesting fossil fish: Paramblypterus duvernoyi (Amblypteridae, Actinopterygii)

Dietze

2008

Fossil Record

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Based on three-dimensional models of the skull and body of Pnrumhlyptenis dzivemoyi, function of the feeding apparatus and potential of locomotion are interpreted. Compared to most other lower actinopterygians, certain modified features regarding the suspensory apparatus, snout bones, gape, dermohyal and suborbital region. and palatoquadrate-maxillary chamber. are present in P dirvevrzyoi. These features suggest an increased versatility of the skull and/or enlargement of underlying muscles. thus improving the ability of food uptake. The weak, pin-like teeth present in P dirvemoyi suggest a main diet of small or soft-bodicd planktonic or benthic invertebrate organisms. Axial locomotion of P diivevmyi appears to lie within the range of moderate swimming speeds. k! drivernoyi probably had a flat belly indicating that this species lived close to the bottom.Key words: Lower Permian. Southwest Germany, basal actinopterygians, functional morphology, feeding, locomotion Zusammenfassung Anhand drei-dimcnsionaler Modclle des Schadels und Kdrpers von Pczrrimhlyprenis hvernoyi werdcn Funktionswcisc clcsErnahrungsapparates und M(iglichkeitcn der Fnrtbewegung interprctiert. Im Vergleich mit anderen basalen Actinopterygiei-ti crscheint die Schadclrekonstruktion von F1 duvernoyi hinsichtlich des Suspensoriums, der Schnauzenknochen. der Muncliiflnung. des Dermohyal-und Suborbitalbereiches, sowie der Palatoquadratum-Maxillare-Kammer abgeleitet. Dies deutrt auf eine erhdhte Bcweglichkeit in diesen Bereichen undioder eine VergroOerung der darunter liegenden Muskeln hin. W~I S vorleilhaft fur die Nahrungsaufnahme ist. Die schmalen, stiftformigen Zahne von F! drivernoyi deuten auf eine ErnBhrung \on kleincrcn oder weichkdrperigen benthischen und planktischen Invertebraten hin. Vermutlich zeichnete sich die axiale Fortbewegungsweise von Purarnhlypteriis durch maBige mittlere Schwimmgeschwindigkeit aus. Der Bauch von P riiivev/ioyi war wahrscheinlich abgeflacht. was darauf hinweist, dass diese Art bodenbezogen gelebt hat.

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“…Moreover, not all the scales on the body are serrated. and the area on the body bearing ornamented scales appears to decrease during ontogeny (Dietze 1998). As mentioned earlier.…”

Section: B O D Y F O R M S Q U a M A T I O N A N D O S S I F I C supporting

confidence: 48%

“…The latter appears to apply for Paramblypterus. Thus, what has been considered a metapterygoid earlier for Pmimhlvpteriis (Dietze 2000) is likely to represent a dermo-metapterygoid only.…”

Section: Feeding Apparatusmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Biological aspects of an interesting fossil fish: Paramblypterus duvernoyi (Amblypteridae, Actinopterygii)

Dietze

2008

Fossil Record

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“…The skull and postcranial elements of P. gelberti have been described and compared to P. duvernoyi in detail earlier (Dietze 1999). Therefore, only differences in squamation and the description of the palate are given here.…”

Section: Remarksmentioning

confidence: 99%

“…The skull and its ontogenetic and intraspeci®c variation have been described in Dietze (1999), and only additional information is given here.…”

Section: Remarksmentioning

confidence: 99%

A Revision Of Paramblypterid And Amblypterid Actinopterygians From Upper Carboniferous–Lower Permian Lacustrine Deposits Of Central Europe

Dietze

2000

Palaeontology

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ABSTRACT. The descriptions and diagnoses of the type species of Paramblypterus, Paramblypterus decorus, and the type species of Amblypterus, Amblypterus latus, which is very similar to Paramblypterus, are revised. The skulls of Paramblypterus decorus, P. duvernoyi, and A. latus are restored in three-dimensional models, and their diagnoses are emended. Intra-speci®c variation of P. decorus and P. duvernoyi concerns dermohyal,`suborbital' and extrascapular bones, and dermohyal, rostral, parietal and extrascapular bones, respectively. Owing to poor preservation, patterns of variation could only be recognised in one specimen of A. latus regarding the extrascapular series and the posterior edges of the scales. All data on Amblypterus and Paramblypterus were entered into a PAUP analysis. Fifty taxa of lower actinopterygians were analysed for 57 characters. According to this analysis, Paramblypterus and Amblypterus are contained in the same family, the Amblypteridae. P. gelberti and P. duvernoyi are the sister group of P. rohani and P. decorus, and the genus Paramblypterus is the sister taxon of the genus Amblypterus.

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Biological aspects of an interesting fossil fish:Paramblypterus duvernoyi (Amblypteridae, Actinopterygii)

Dietze¹

2001

Mitt. Mus. Nat.kd. Berl., Geowiss. Reihe

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Paramblypterus duvernoyi(Actinopterygii): skull morphology and intra-specific variation, and its implications for the systematics of paramblypterid fishes

Cited by 23 publications

References 8 publications

Biological aspects of an interesting fossil fish: Paramblypterus duvernoyi (Amblypteridae, Actinopterygii)

Biological aspects of an interesting fossil fish: Paramblypterus duvernoyi (Amblypteridae, Actinopterygii)

A Revision Of Paramblypterid And Amblypterid Actinopterygians From Upper Carboniferous–Lower Permian Lacustrine Deposits Of Central Europe

Biological aspects of an interesting fossil fish:Paramblypterus duvernoyi (Amblypteridae, Actinopterygii)

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