The first report of the bivalved arthropod Tuzoia from the Skryje–Týřovice Basin (Barrandian area, Czech Republic)

Fatka, Oldřich; Herynk, Jaroslav

doi:10.1016/j.annpal.2016.10.002

Cited by 9 publications

(8 citation statements)

References 25 publications

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“…; Moore & Lieberman ; Robison et al . ), Europe (Czech Republic; Chlupáč & Kordule ; Fatka & Herynk ), Siberia (Ivantsov et al . ), China (Endo & Resser ; Pan ; Shu ; Luo et al .…”

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confidence: 99%

The bivalved arthropod Tuzoia from the Balang Formation (Cambrian Stage 4) of Guizhou, China, and new observations on comparative species

Wen

Babcock

Jin

et al. 2019

Papers in Palaeontology

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Tuzoia is a large, bivalved Cambrian arthropod having a widespread distribution in shallow-shelf to deeper marine Lagerst€ atten; stratigraphically it ranges from Cambrian Series 2 through the Miaolingian Series. In the present study, three species are recognized from relatively deep-water deposits of the Balang Formation (Cambrian Stage 4) of Guizhou, South China: Tuzoia sinensis Pan, 1957, T. bispinosa Yuan et Zhao, 1999 and T. lazizhaiensis sp. nov. The new species is unique in having 6-10 small marginal spines on the dorsal margin, an inflated anterior margin with three short, closely spaced marginal spines. These remains, which usually occur as disarticulated valves, are inferred to be parautochthonous. One new specimen of T. lazizhaiensis shows a stalked eye and antenna. New Tuzoia material from the Kaili Biota (Cambrian: Wuliuan Stage) of Guizhou, and from the Guanshan Biota (Cambrian Stage 4) of Yunnan, China, provide additional comparative information about the genus. Some new specimens of T. bispinosa from the Kaili Biota provide information on valve morphology and palaeoecology. One specimen of T. sinensis from the Guanshan Biota provides information on the appendages, and one specimen of T. tylodesa, from the Guanshan Biota adds provides information on the trunk and appendages.

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“…; Moore & Lieberman ; Robison et al . ), Europe (Czech Republic; Chlupáč & Kordule ; Fatka & Herynk ), Siberia (Ivantsov et al . ), China (Endo & Resser ; Pan ; Shu ; Luo et al .…”

mentioning

confidence: 99%

The bivalved arthropod Tuzoia from the Balang Formation (Cambrian Stage 4) of Guizhou, China, and new observations on comparative species

Wen

Babcock

Jin

et al. 2019

Papers in Palaeontology

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“…The cephalothoracic frontalmost endopods are stout and bear strong spines, indicative of a predatory or scavenging function, as previously suggested [93]. These legs do not extend widely beyond the body, suggesting that they were probably not suited to be used as a raptorial appendage, capturing prey from afar.…”

Section: Discussionmentioning

confidence: 80%

The problematic Cambrian arthropod Tuzoia and the origin of mandibulates revisited

Izquierdo-López

Caron

2022

R. Soc. open sci.

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The origin of mandibulates, the hyperdiverse arthropod group that includes pancrustaceans and myriapods, dates back to the Cambrian. Bivalved arthropod groups such as hymenocarines have been argued to be early mandibulates, but many species are still poorly known, and their affinities remain uncertain. One of the most common and globally distributed Cambrian bivalved arthropods is Tuzoia . Originally described in 1912 from the Burgess Shale based on isolated carapaces, its full anatomy has remained largely unknown. Here, we describe new specimens of Tuzoia from the Canadian Burgess Shale (Wuliuan, Cambrian) showcasing exceptionally preserved soft tissues, allowing for the first comprehensive reconstruction of its anatomy, ecology and evolutionary affinities. The head bears antennae and differentiated cephalic appendages. The body is divided into a cephalothorax, a homonomous trunk bearing ca 10 pairs of legs with heptopodomerous endopods and enlarged basipods, and a tail fan with two pairs of caudal rami. These traits suggest that Tuzoia swam along the seafloor and used its spinose legs for predation or scavenging. Tuzoia is retrieved by a Bayesian phylogenetic analysis as an early mandibulate hymenocarine lineage, exemplifying the rapid diversification of this group in open marine environments during the Cambrian Explosion.

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“…The Cambrian fossils of the Barrandian region have been intensively collected and studied since the beginning of the 19 th century. Despite such a long tradition, careful collecting still provides undescribed invertebrate taxa like those occurring only at several localities and/or those restricted exclusively to one small outcrop (e.g., Fatka & Herynk 2016;Valent et al 2017). The late Dr Ladislav Marek (in cooperation with P. Šlehofer) gathered a large collection of Cambrian and Ordovician hyoliths.…”

Section: Discussionmentioning

confidence: 99%

Alfaites romeo gen. et sp. nov., a new Hyolitha from the Cambrian of Skryje-Týřovice Basin (Czech Republic)

Valent

Fatka

Ladislav

2019

EJT

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The rare hyolith Alfaites romeo gen. et sp. nov. is described from the lower half of the middle Cambrian (Drumian) Buchava Formation of the Skryje-Týřovice Basin in the Barrandian area of the Czech Republic. This new taxon is based on excellently preserved external and internal moulds of three opercula and several conchs collected from carbonate nodules and shale. This rare species has been established at three separate outcrops in the lower part of the Biozone of Paradoxides (Eccaparadoxides) pusillus (Barrande 1846). Morphology of conch and both external and internal surface of operculum are well known. However, specific morphology excludes assignment to any predescribed hyolithid family.

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The first report of the bivalved arthropod Tuzoia from the Skryje–Týřovice Basin (Barrandian area, Czech Republic)

Cited by 9 publications

References 25 publications

The bivalved arthropod Tuzoia from the Balang Formation (Cambrian Stage 4) of Guizhou, China, and new observations on comparative species

The bivalved arthropod Tuzoia from the Balang Formation (Cambrian Stage 4) of Guizhou, China, and new observations on comparative species

The problematic Cambrian arthropod Tuzoia and the origin of mandibulates revisited

Alfaites romeo gen. et sp. nov., a new Hyolitha from the Cambrian of Skryje-Týřovice Basin (Czech Republic)

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The first report of the bivalved arthropod Tuzoia from the Skryje–Týřovice Basin (Barrandian area, Czech Republic)

Cited by 9 publications

References 25 publications

The bivalved arthropod Tuzoia from the Balang Formation (Cambrian Stage 4) of Guizhou, China, and new observations on comparative species

The bivalved arthropod Tuzoia from the Balang Formation (Cambrian Stage 4) of Guizhou, China, and new observations on comparative species

The problematic Cambrian arthropod Tuzoia and the origin of mandibulates revisited

Alfaites romeo gen. et sp. nov., a new Hyolitha from the Cambrian of Skryje-Týřovice Basin (Czech Republic)

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Alfaites romeo gen. et sp. nov., a new Hyolitha from the Cambrian of Skryje-Týřovice Basin (Czech Republic)