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

Ossó, Àlex; Domínguez, José Luis Belver; Artal, Pedro

doi:10.32800/tmgb.2014.20.0033

Cited by 10 publications

(8 citation statements)

References 16 publications

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“…Order Decapoda Latreille, 1802 Infraorder Brachyura Latreille, 1802Section Eubrachyura de Saint-Laurent, 1980 Subsection Heterotremata Guinot, 1977Superfamily Goneplacoidea MacLeay, 1838Family Vultocinidae Ng & Manuel-Santos, 2007Genus Pyreneplax Ossó, Domínguez & Artal, 2014 Type species: Pyreneplax basaensis Ossó, Domínguez & Artal, 2014. Other species included: Pyreneplax granosa , Pyreneplax saundersi (Blow & Manning, 1997) and Pyreneplax sommarugai (Beschin, Busulini & Tessier, 2009). Diagnosis (emended): Small-to medium-sized carapace, suboctagonal, from wider than long to slightly wider than long, slightly convex in anterior third, widest at level of third anterolateral tooth.…”

Section: Systematic Palaeontologymentioning

confidence: 99%

“…Subsequently, other, closely similar species have been recorded from the Eocene of the Atlantic Coast of North America and from northern Italy. On the basis of dorsal carapace morphology, fossil crab species such as Lobonotus saundersi (Blow & Manning, 1997) from South Carolina (USA) and L. granosus and L. sommarugai Beschin, Busulini & Tessier, 2009 from northern Italy, have lately been transferred to the genus Pyreneplax (see Ossó, Domínguez & Artal, 2014;De Angeli, 2014).…”

Section: Introductionmentioning

confidence: 99%

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On the systematic placement of Pyreneplax Ossó, Domínguez & Artal, 2014 (Decapoda, Brachyura, Vultocinidae)

Ossó¹,

Domínguez²

2020

Geologija

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Examination of the thoracic sternum and pleonal elements of a new male specimen of Pyreneplax basaensis Ossó, Domínguez & Artal, 2014 from the upper Eocene of northern Spain confirms its assignment to the family Vultocinidae Ng & Manuel-Santos, 2007 and reveals the presence of an old lineage (Pyreneplax and possible allies) that appeared during the Eocene, persisting to the present day. Izvleček V prispevku opisujemo nove fosilne ostanke primerka samca vrste Pyreneplax basaensis Ossó, Domínguez & Artal, 2014 iz zgornjega eocena na severu Španije. Ohranjene podrobnosti delov oprsja in repa potrjujejo njegovo uvrstitev v družino Vultocinidae Ng & Manuel-Santos, 2007 in razkrivajo prisotnost stare linije (Pyreneplax in sorodni taksoni), ki se je pojavila v eocenu in je prisotna še danes.

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Section: Systematic Palaeontologymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

On the systematic placement of Pyreneplax Ossó, Domínguez & Artal, 2014 (Decapoda, Brachyura, Vultocinidae)

Ossó¹,

Domínguez²

2020

Geologija

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“…Vultocinidae Ng & Manuel-Santos, 2007 present a longitudinal median groove through sternites 3 and 4 that, although shallower, is also visible in Magyarcarcinidae. But many other features of Vultocinidae, as the sculpted and subquadrate carapace with regions defined by swollen ridges and deep grooves, the ovate thoracic sternum, the broad sternite 4 with straight grooves parallel to the lateral margin, a narrower sternite 7, and a not triangular male abdomen, discard the relationship between the two families (see Ng & Manuel-Santos, 2007;Ng & Richer de Forges, 2009;Ossó et al, 2014).…”

Section: A B C Dmentioning

confidence: 99%

“…in Bartonian levels of the Margas de Arguís Formation (Bartonian-early Priabonian) at Yebra de Basa (Aragón, N Spain) within the Jaca basin of the central Pyrenees (Fig. 1), increases the number of described species from this formation (Artal et al, 2013;Ossó et al, 2014). The rich decapod assemblage occurring in these strata displays clear affinities with the Tethyan Eocene faunas from Italy and Hungary, in addition to a relationship with the Upper Eocene faunas from the southern part of the British Isles.…”

Section: Introductionmentioning

confidence: 98%

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Magyarcarcinidae new family (Crustacea: Decapoda: Goneplacoidea), and description of Magyarcarcinus yebraensisnew species, from the Bartonian (Middle Eocene) of the Jaca basin, south-central Pyrenees (Aragón, N Spain)

Domínguez¹,

Ossó²

2016

Treb. Mus. Geol. Barcelona

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Magyarcarcinidae is proposed as a new family to accommodate the genus Magyarcarcinus. A new species, Magyarcarcinus yebraensis is erected after specimens from Bartonian levels of the Margas de Arguís Formation at Yebra de Basa (Aragón, N Spain). A detailed comparison with all the Goneplacoidea families and related taxa is presented. Relationship between both Tethyan and British Middle Eocene decapod faunas are herein confirmed, as well as their migration paths.

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The oldest dairoidid crab (Decapoda, Brachyura, Parthenopoidea) from the Eocene of Spain

Ferratges

Luque

Domínguez³

et al. 2023

Papers in Palaeontology

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Eubrachyurans, or ‘higher’ true crabs, are the most speciose group of decapod crustaceans and have a rich fossil record extending into the Early Cretaceous. However, most extant families are first found in the fossil record in the Palaeogene, and particularly in the Eocene. Unfortunately, fossils of many early eubrachyuran groups are often fragmentary, and only a few studies have combined extinct and extant taxa in a phylogenetic context using different optimality criteria. Here, we report the dairoidid crab Phrynolambrus sagittalis sp. nov., an enigmatic eubrachyuran from the upper Eocene of Huesca (northern Spain), whose completeness and exquisite preservation permit examination of its anatomy in a phylogenetic context. Dairoidids have previously been considered among the oldest stone crabs (Eriphioidea) or elbow crabs (Parthenopoidea), two disparate and distantly related groups of true crabs living today. Mechanical preparation and computed tomography of the fossil material revealed several diagnostic features that allow a detailed comparison with families across the crab tree of life, and test hypotheses about its phylogenetic affinities. Phrynolambrus sagittalis is the first record of the genus in the Iberian Peninsula, and represents one of the oldest crown parthenopoidean crabs worldwide, expanding our knowledge of the biogeographical distribution of elbow crabs during the Palaeogene, as well as their early origins, anatomical diversity and systematic affinities. Understanding the disparity of Eocene eubrachyurans is pivotal to disentangling the systematic relationships among crown families, and interpreting the spatio‐temporal patterns leading to the evolution of modern faunas.

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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

Cited by 10 publications

References 16 publications

On the systematic placement of Pyreneplax Ossó, Domínguez & Artal, 2014 (Decapoda, Brachyura, Vultocinidae)

On the systematic placement of Pyreneplax Ossó, Domínguez & Artal, 2014 (Decapoda, Brachyura, Vultocinidae)

Magyarcarcinidae new family (Crustacea: Decapoda: Goneplacoidea), and description of Magyarcarcinus yebraensisnew species, from the Bartonian (Middle Eocene) of the Jaca basin, south-central Pyrenees (Aragón, N Spain)

The oldest dairoidid crab (Decapoda, Brachyura, Parthenopoidea) from the Eocene of Spain

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