Utility of Proxy Characters for Classification of Fossils: An Example From the Fossil Xanthoidea (Crustacea: Decapoda: Brachyura)

Schweitzer, Carrie E.

doi:10.1666/0022-3360(2003)077<1107:uopcfc>2.0.co;2

Cited by 40 publications

(46 citation statements)

References 41 publications

(66 reference statements)

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“…The new specimen is also more vaulted than other taxa within the Pseudoziidae. As has been noted previously, however, the dorsal carapace morphology of the Pseudoziidae is quite variable (Schweitzer 2003), and indeed Haemocinus, recently referred to the family, has well-defined carapace regions (Ng 2003), unlike any other genera within the family. Because the new specimen shares many features with taxa within the Pseudoziidae, we place it within that family.…”

Section: Metacarcinus Novaezelandiaementioning

confidence: 77%

“…Other species within the genus are known from the North Pacific, the Southeast Pacific, and the North Atlantic oceans at the present time and from Oligocene-Pliocene occurrences in the fossil record of the Pacific (Nations 1979;Schweitzer & Feldmann 2000 Davie (2002) and Poore (2004) considered the Pseudoziinae to be a subfamily of the Goneplacidae MacLeay, 1838. The Pseudoziidae was elevated to family level by Ng & Liao (2002), a position maintained by Schweitzer (2003) and Karasawa & Schweitzer (2006). We follow the latter position herein, maintaining the Pseudoziidae as a distinct family.…”

Section: Metacarcinus Novaezelandiaementioning

confidence: 99%

“…Fossil occurrences of the Pseudoziidae display a modified Tethyan distribution, known from the Eocene of North Carolina and Washington, USA, and Hungary, and the Miocene of Japan (Schweitzer 2003). The family could have dispersed eastward into the Indo-Pacific via the Tethys Seaway and westward into the Atlantic and eastern Pacific via the Tethys Seaway and the open Central American Seaway (Bice et al 2000).…”

Section: Metacarcinus Novaezelandiaementioning

confidence: 99%

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Additions to the records for decapod Crustacea from Motunau and Glenafric Beaches, North Canterbury, New Zealand

Feldmann

Schweitzer

McLauchlan³

2006

New Zealand Journal of Geology and Geophysics

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Concretions collected from Motunau and Glenafric Beaches, North Canterbury, New Zealand, have yielded a new genus and species of crab, Tongapapaka motunauensis of the xanthoid family Pseudoziidae and several specimens of the cancrid crab Metacarcinus novaezelandiae (Jacquinot in Jacquinot and Lucas), confirming its range from Miocene to Holocene. These beaches have yielded numerous specimens of decapod crustaceans, the lobsters and crabs, over the decades, and the composition of the decapod fauna suggests an offshore setting for the Greta Siltstone and Mt Brown Formation exposed at Motunau and Glenafric Beaches, respectively.

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Section: Metacarcinus Novaezelandiaementioning

confidence: 77%

Section: Metacarcinus Novaezelandiaementioning

confidence: 99%

Section: Metacarcinus Novaezelandiaementioning

confidence: 99%

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Additions to the records for decapod Crustacea from Motunau and Glenafric Beaches, North Canterbury, New Zealand

Feldmann

Schweitzer

McLauchlan³

2006

New Zealand Journal of Geology and Geophysics

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“…Intraspecific variability. The availability of a rich sample of specimens at different stages of growth, sizes, and preservation, allows us to point out the possible range of intraspecific variability in the main 'proxy characters' sensu Schweitzer (2003). The carapace shape changes proportionally in outline, more or less elongate or inflate anteriorly, with the ornamentation of the dorsal exoskeleton variable in size and arrangement, with more or less sparse granulations and distribution of the pits, based on the individual size and sex, but always well distinct between the postfrontal and the dorsal-posterior regions.…”

Section: Alcespina Ovadaensis N Sp Figs 2-7mentioning

confidence: 99%

“…(Raninidae), based upon diagnostic fossil characters ('proxy characters', sensu Schweitzer, 2003) detected and here discussed, whereas five smaller specimens considered by Allasinaz (1987: 533, Pl. 1, figs.…”

Section: Introductionmentioning

confidence: 96%

A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Pasini¹,

Garassino²

2017

Nat Hist Sci

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-Pasini & Garassino (2017) did a preliminary systematic review of the worldwide fossil species of Ranina, pointing out that it was used as "basket genus" for almost two centuries to accommodate different questionable taxa pertaining or not to Raninoidea. The result was that just four species were possibly assigned to Ranina compared to 23 species previously listed by Karasawa et al. (2014). Among the studied species, a rich sample of specimens from the early Oligocene of the Ligure-Piemontese Basin (Italy), previously assigned to Ranina speciosa by Ristori (1889) and Allasinaz (1987), has been revised and here discussed. The studied specimens are herein assigned to the new genus Alcespina, with A. ovadaensis n. sp (Raninidae), whereas five specimens of Allasinaz's original sample are assigned to Raninoides H. Milne Edwards, 1837. Finally, this study allows us to review the questionable species Ranina berglundi Squires & Demetrion, 1992, from the early Eocene of Mexico, herein also assigned to A. berglundi (Squires & Demetrion, 1992) n. comb.Key words: Decapoda, Brachyura, Raninindae, Oligocene, NW Italy.Riassunto -Un nuovo raninoide (Decapoda, Brachyura, Raninidae) dell'Oligocene inferiore (Rupeliano superiore) d'Italia.Pasini e Garassino (2017), hanno effettuato una preliminare revisione sistematica delle specie fossili mondiali attribuite a Ranina, evidenziando come il genere sia stato usato per almeno due secoli come un "contenitore" nel quale raccogliere discutibili taxa appartenenti, e non, alla superfamiglia Raninoidea. Risultato della revisione è stato quello di ridurre a sole quattro le specie possibilmente attribuibili a Ranina, rispetto alle 23 precedentemente elencate da Karasawa et al. (2014). Fra le specie attribuite a Ranina, un ampio campione di esemplari provenienti dall'Oligocene inferiore del bacino Ligure-Piemontese, precedentemente attribuiti a Ranina speciosa da Ristori (1889) e Allasinaz (1987), è stato qui riesaminato e discusso. I campioni studiati sono stati assegnati al nuovo genere Alcespina con A. ovadaensis n. sp (Raninidae), mentre cinque esemplari del campione originale di Allasinaz (1987) sono stati attribuiti a Raninoides H. Milne Edwards, 1837. Inoltre il presente studio ha permesso di revisionare anche la dubbia specie Ranina berglundi Squires & Demetrion, 1992, dell'Eocene inferiore del Messico, che è stata a sua volta assegnata a A. berglundi (Squires & Demetrion, 1992) n. comb.

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Revision and redescription of Palaeopinnixa mytilicola Vía Boada, 1966 (Malacostraca: Decapoda: Brachyura) from the Miocene (Langhian) of Spain, with an appraisal of the genus Palaeopinnixa

Hyžný

Artal

2018

PalZ

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Utility of Proxy Characters for Classification of Fossils: An Example From the Fossil Xanthoidea (Crustacea: Decapoda: Brachyura)

Cited by 40 publications

References 41 publications

Additions to the records for decapod Crustacea from Motunau and Glenafric Beaches, North Canterbury, New Zealand

Additions to the records for decapod Crustacea from Motunau and Glenafric Beaches, North Canterbury, New Zealand

A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy

Revision and redescription of Palaeopinnixa mytilicola Vía Boada, 1966 (Malacostraca: Decapoda: Brachyura) from the Miocene (Langhian) of Spain, with an appraisal of the genus Palaeopinnixa

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