Revision of the Genus Titanocarcinus (Decapoda: Brachyura: Xanthoidea) with Two New Genera and One New Species

Schweitzer, Carrie E.; Artal, Pedro; Bakel, Barry Van; Jagt, John W.M.; Karasawa, Hiroaki

doi:10.1651/s-2713.1

Cited by 15 publications

(4 citation statements)

References 21 publications

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“…Numerous specimens of both species occurring in Fakse have been examined by one of us (BvB) and these do not show clear reniform swellings as in T. schweitzerae sp. nov. Titanocarcinus briarti (see Schweitzer et al 2007, fig. 2CÀG) has a wider mesogastric region and a betterdefined groove system, and lacks the posterior arcuate groove.…”

Section: Systematic Palaeontologymentioning

confidence: 99%

Decapod crustaceans from the Paleocene (Danian) of the Paris Basin (Vigny stratotype and allied localities) and a limpet palaeoassociation

Robin

Bakel

Pacaud

et al. 2016

Journal of Systematic Palaeontology

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As the lowermost stage of the Palaeogene, the Danian is a key period for ecosystems which followed the KÀPg boundary. The Vigny quarry (Val d'Oise, France) is a co-stratotype of the Danian stage, along with the well-known one of Fakse (Denmark). The Vigny ecosystem (Bois-des-Roches site at Vigny and allied Danian localities) is the only known Cenozoic reef of the Paris Basin and is formed by hermatypic corals, unlike reefs at Fakse. Well studied by scientists, including d'Orbigny, for almost two centuries, the decapod crustacean fauna of Vigny has been much less documented than that of Fakse. Here, we describe new material of decapod crustaceans from the Danian of the Paris Basin, based on material in the Mus eum national d'Histoire naturelle (Paris). This material (six carapaces and 14 isolated claws) constitutes anomurans, brachyurans and, for the first time, axiideans in the Danian of the Paris Basin. Among brachyurans, it includes the paleoxanthopsid crab Jakobsenius cretaceus is described and the dynomenid Dromiopsis mosae. Two new brachyuran species are described from Vigny: Titanocarcinus schweitzerae sp. nov. (Tumidocarcinidae) and Dromilites montenati sp. nov. (Dromiidae). The latter is the oldest representative of its genus. The Danian decapod crustaceans of the Paris Basin are revised and their diversity is compared to that at Fakse. The enigmatic association of a limpet (Patella herbetiana) attached to a crab carapace is described and interpreted. Based on a small number of available specimens, this study reveals some specificity of the Vigny brachyuran fauna and recognizes the Paris Basin as an important region for knowledge of Danian decapod crustaceans.http://zoobank.org/urn:lsid:zoobank.org:pub:2813A14B-AE65-4296-9C3C-2B10B9C5DC6B

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Section: Systematic Palaeontologymentioning

confidence: 99%

Decapod crustaceans from the Paleocene (Danian) of the Paris Basin (Vigny stratotype and allied localities) and a limpet palaeoassociation

Robin

Bakel

Pacaud

et al. 2016

Journal of Systematic Palaeontology

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“…Despite the literature discussing on Lobonotus (Collins & Morris, 1978;Schweitzer et al, 2002Schweitzer et al, , 2004Schweitzer et al, , 2007aSchweitzer et al, , 2007b; and the particularly complete compilation in Beschin et al, 2009), we are convinced that only Lobonotus sculptus, the type species, should be considered as Lobonotus sensu stricto. In any case, even if the revision of the species assigned to Lobonotus is beyond the aim of this paper, we recommend the need for a complete and thorough revision of the generic and familial placement of all the taxa associated to this genus.…”

Section: Remarks On Lobonotusmentioning

confidence: 68%

“…Some species ascribed to Titanocarcinus A. Milne-Edwards, 1864 (Carpilioidea: Tumidocarcinidae) exhibit several dorsal and ventral features similar to Pyreneplax: well-marked and granulated dorsal regions, dorsal surface moderately convex longitudinally, frontal margin bilobed, supra-orbital margin with two notches, developed lateral cardiac lobes, thoracic sternum with sternites 1 and 2 fused, sternites 2 and 3 divided by a clear suture, and sternites 3 and 4 divided by a clear groove (sensu Schweitzer et al, 2007b). It is noteworthy that only one species of this genus, T. decor Schweitzer, Artal, Van Bakel, Jagt and Karasawa, 2007, has preserved thoracic and abdominal structures and thus, the comparison based on ventral characters is limited to this taxon.…”

Section: Systematic Palaeontologymentioning

confidence: 99%

Pyreneplax basaensis new genus, new species (Decapoda, Brachyura, Vultocinidae) from the Priabonian (Late Eocene) of the Pyrenees of Huesca (Aragón, Spain), and remarks on the genus Lobonotus A. Milne-Edwards, 1863

Ossó¹,

Domínguez²,

Artal³

2014

Treb. Mus. Geol. Barcelona

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“…Amydrocarcinus dantei † Schweitzer, Feldmann, González-Barba and Vega, 2002 [middle Eocene (Bartonian), Baja California Sur] (Schweitzer et al, 2007a).…”

Section: González-barba and Vega 2002mentioning

confidence: 99%

Checklist of fossil decapod crustaceans from tropical America. Part I: Anomura and Brachyura

Luque¹,

Schweitzer

Santana

et al. 2017

Nauplius

Self Cite

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Our knowledge of fossil crustaceans from the tropics has increased considerably during recent decades, thanks to novel findings and the reexamination of museum specimens. However, several previous records have original arTiCle been misidentified, numerous museum specimens have never been reported, and many new discoveries are yet to be published. Here, we present a detailed, up-to-date, and revised checklist for every marine, terrestrial, or freshwater fossil decapod crustacean occurrence from tropical America known to us, including their age, geographic occurrences, and related literature. We recognize the occurrence of at least 32 superfamilies, 69 families, 190 genera, and 415 species of brachyurans ('true' crabs), and anomurans ('false' crabs, hermit crabs, squat lobsters, and allies), several of them previously unknown. The checklist comprises records from three main geographic regions: 1) northern South America (Bolivia, Brazil, Chile, Colombia, Ecuador, Peru, Venezuela); 2) Central America and southern North America (Belize, Costa Rica, Honduras, Panama, Mexico, southern and central Florida); and 3) the Caribbean Islands + Bermuda (Anguilla, Antigua, Aruba, Bahamas, Barbados, Bermuda, Bonaire, Cuba, Curaçao, Dominican Republic, The Grenadines, Haiti, Jamaica, Puerto Rico, Saint Bartélemy, Saint Martin, Trinidad). Previous findings, new occurrences, and the revised systematic placement for several problematic/misidentified records, indicate that the fossil record of anomurans and brachyurans in tropical America is more diverse than previously envisioned, with a considerable degree of endemism at the genus-and species-levels.

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Revision of the Genus Titanocarcinus (Decapoda: Brachyura: Xanthoidea) with Two New Genera and One New Species

Cited by 15 publications

References 21 publications

Decapod crustaceans from the Paleocene (Danian) of the Paris Basin (Vigny stratotype and allied localities) and a limpet palaeoassociation

Decapod crustaceans from the Paleocene (Danian) of the Paris Basin (Vigny stratotype and allied localities) and a limpet palaeoassociation

Pyreneplax basaensis new genus, new species (Decapoda, Brachyura, Vultocinidae) from the Priabonian (Late Eocene) of the Pyrenees of Huesca (Aragón, Spain), and remarks on the genus Lobonotus A. Milne-Edwards, 1863

Checklist of fossil decapod crustaceans from tropical America. Part I: Anomura and Brachyura

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