A diverse crinoid fauna from the Middle Jurassic (Upper Bajocian–Callovian) of the Polish Jura Chain and Holy Cross Mountains (south-central Poland)

Salamon, Mariusz A.; Zatoń, Michał

doi:10.1007/s00015-007-1207-3

Cited by 19 publications

(8 citation statements)

References 15 publications

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“…However, Eagle & Hikuroa (2003) assigned these specimens to the Chariocrinus latadiensis (Middle Jurassic of Antarctica) based on their spineless axillaries and fused adjacent crenulae. In-fact Simms (1989) assigned Chariocrinus leuthardti to Hispidocrinus solely on the presence of large conical spines (Salamon & Zato 2007).…”

Section: Systematic Palaeontologymentioning

confidence: 99%

The palaeoecology of two Scottish encrinites: Jurassic crinoid assemblages from the Trotternish Peninsula, Isle of Skye, Scotland

Hunter

Clark

2009

SJG

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SynopsisDespite a long history of investigation, articulate crinoids from the Jurassic of Scotland have not received great attention compared to their counterparts in Southern England or continental Europe; this is thought to be largely due to poor preservation. Two examples of ‘local’ encrinites (rocks almost entirely composed of crinoids debris), one from the Pliensbachian and the other from the Aalenian/Bajocian from the Isle of Skye, are shown to consist of columnals of Hispidocrinus cf. schlumbergeri and Balanocrinus donovani respectively. They represent local encrinites that have been deposited parautochthonously; one in a proximal, and the other in a more offshore low energy environment. This demonstrates that even limited encrinite material can not only be assigned systematically, but can also be used to reconstruct the original palaeoenvironments that the crinoids inhabited.

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Section: Systematic Palaeontologymentioning

confidence: 99%

The palaeoecology of two Scottish encrinites: Jurassic crinoid assemblages from the Trotternish Peninsula, Isle of Skye, Scotland

Hunter

Clark

2009

SJG

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“…The Ogrodzieniec sec tion con sists of ~14 m thick, lam i nated, dark grey and black mudstones (Fig. 3), as signed to the Mid dle and Up per Bathonian (bremeri-retrocostatum zones; Salamon and Zatoñ, 2007;Zatoñ et al, 2011). In the low er most part of the sec tion con tin u ous lev els of small sid er ite nod ules oc cur, one of which com prises hi a tus con cre tions described by Zatoñ et al (2006Zatoñ et al ( , 2011.…”

Section: Geological Settingmentioning

confidence: 76%

“…The significance of mudstone fabric combined with palaeoecological evidence in determining sedimentary processes... 245 Sec tions stud ied are shown to the right in greater de tail with the lo ca tion of sam ples se lected for thin sec tion anal y sis; biostratigraphical in ter pre ta tion af ter Salamon and Zatoñ (2007), Zatoñ (2007) and Zatoñ et al (2011Zatoñ et al ( , 2012 5-25 mm thick. The num ber of laminae in par tic u lar bun dles usu ally does not ex ceed five.…”

Section: Colour Bandingmentioning

confidence: 99%

“…1), sit u ated in the south east ern tip of the out crop belt. They have been doc u mented as re gards their stra tig ra phy, palae ontol ogy, geo chem is try and palaeo ec ol ogy (e.g., Ró¿ycki, 1953;Pazdrowa, 1967;Szczepanik et al, 2005;Marynowski et al, 2007;Salamon and Zatoñ, 2007;Szczepanik and Saw³owicz, 2008;Zatoñ and Tay lor, 2009;Zatoñ, 2011;Zatoñ et al, 2011Zatoñ et al, , 2012Barski, 2012). The Blanowice sec tion ex poses ~12 m of dark grey and black, lam i nated mudstones with sev eral ho rizons of, and loosely scat tered, sid er ite and cal car e ous con cretions (Fig.…”

Section: Geological Settingmentioning

confidence: 99%

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The significance of mudstone fabric combined with palaeoecological evidence in determining sedimentary processes – an example from the Middle Jurassic of southern Poland

Leonowicz

2013

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Anal y sis of the fab ric of lam i nated black mudstones of the Ore-Bear ing Czêstochowa Clay For ma tion (Bathonian, south ern Po land) is used for re con struc tion of sed i men tary pro cesses and con di tions. Small-scale sed i men tary fea tures in di cate that ore-bear ing clays were de pos ited be low storm-wave base in a shal low epicontinental sea, but struc tures re flect ing quiet settling from sus pen sion are not com mon. Most of rec og nized lamina types re cord the ac tiv ity of bot tom cur rents gen er ated by storms. The ben thic fau nal as so ci a tion in di cates that suboxic con di tions pre vailed on the sea-floor, re strict ing infaunal ac tivity to cryptobioturbation. Re cur rent short-lived reoxygenetion events, linked prob a bly to storms, re sulted in the de vel op ment of dysoxic con di tions, re corded by a more di verse trace fos sil as so ci a tion (con sist ing of Chondrites, Trichichnus, pyritized bur rows, Palaeophycus and Protovirgularia) and col o ni za tion of the sea-floor by epifaunal bi valves (Bositra). Truly anoxic con di tions might have been briefly es tab lished, lead ing to mass mor tal ity of Bositra.Key words: black mudstones, par al lel lam i na tion, storm de pos its, ichnofabric, bot tom ox y gen a tion, Ore-Bear ing Czêstochowa Clay For ma tion. INTRODUCTIONMid dle Ju ras sic black mudstones in south ern Po land, referred to as the Ore-Bear ing Czêstochowa Clay For ma tion, have re cently re ceived in creas ing in ter est as re gards their palaeo ec ol ogy. The sed i men tary en vi ron ment of these dark, or ganic-rich rocks that are for the most part strongly bioturbated and rich in di verse ben thic fauna still in spires study. In con trast to the grow ing vol ume of lit er a ture on this de posit (for sum mary see Zatoñ, 2011), sedimentological stud ies re main scarce (Merta and Drewniak, 1998; Gedl et al. 2006a, b, c;Leonowicz, 2012) and un der stand ing of the sed i men tary processes, which largely de ter mined bot tom con di tions, has been poor. This study in te grates microstructural and ichnofabric anal y sis in re con struct ing sed i men tary pro cesses, en vi ron mental en ergy and palaeo ec ol ogy of the sea-floor. It fo cuses on lam i nated mudstones of the Ore-Bear ing Czêstochowa Clay For ma tion, crop ping out in the cen tral part of the Silesian-Cracow Up land in south ern Po land (Fig. 1).The Ore-Bear ing Czêstochowa Clay For ma tion is composed of dark grey, or ganic-rich, cal car e ous mudstone with sev eral ho ri zons of sid er ite and cal car e ous con cre tions, clayey sid er ite bands and sub or di nate in ter ca la tions of sand stone (Dayczak-Calikowska and Kopik, 1973). The greater part is strongly bioturbated and rich in di verse ben thic fos sils; lam inated, sparsely fossiliferous mudstones are much less common. Geo chem i cal and pet ro graph i cal stud ies point to de po sition on a well-ox y gen ated sea-floor with si mul ta neously dysoxic or even anoxic con di tions pre vail ing within the sed i ment (Marynowski et al., 2007...

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“…On the other hand, assignment to a particular species (or even genus) of millericrinids is invariably difficult. Morphology of different columnals (e.g., Jurassic millericrinids) indicate that they are almost identical (see radwańska 2005a; salamon & Zatoń 2005& Zatoń , 2007schweigert et al 2008). Following salamon & Zatoń (2005), a systematic placement of these crinoids is only possible when cups are available.…”

Section: Valanginian Crinoids Of Epicratonic Polandmentioning

confidence: 99%

Early Cretaceous (Valanginian) sea lilies (Echinodermata, Crinoidea) from Poland

Salamon

2009

Swiss J. Geosci.

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Valanginian strata in central epicratonic Poland have recently yielded crinoids, not previously recorded from the area. the fauna comprises isocrinids (Balanocrinus subteres, B. gillieroni, "Isocrinus?" lissajouxi), millericrinids (Apiocrinites sp.) and comatulids (comatulida indet.). For comparison, a few samples of isocrinids from Valanginian strata of Hungary (tethyan province) were also analysed. the isocrinids, cyrtocrinids and roveacrinids (sensu rasmussen 1978 inclusive of Saccocoma sp.) were already known from the Valanginian of the southernmost tethyan regions of Poland (Pieniny Klippen belt and tatra Mountains). the current study demonstrates their occurrence in central epicratonic Poland, and suggests that many Jurassic to cretaceous stalked crinoid taxa (mainly isocrinids) predominated in the shallow-water settings of this area. thus, the hypothesis of migration (at least from mid-cretaceous onwards) to deep-water areas, as a response to an increase of the number of predators during the Mesozoic marine revolution, seems not to be universally applicable. Geological setting PolandValanginian of epicratonic Poland the abandoned brick-pit at Wąwał (Figs. 1a-b; 2a) is situated near the town of tomaszów Mazowiecki (central Poland). AcEarly cretaceous (Valanginian) sea lilies (Echinodermata, crinoidea) from Poland Mariusz a. salaMon

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A diverse crinoid fauna from the Middle Jurassic (Upper Bajocian–Callovian) of the Polish Jura Chain and Holy Cross Mountains (south-central Poland)

Cited by 19 publications

References 15 publications

The palaeoecology of two Scottish encrinites: Jurassic crinoid assemblages from the Trotternish Peninsula, Isle of Skye, Scotland

The palaeoecology of two Scottish encrinites: Jurassic crinoid assemblages from the Trotternish Peninsula, Isle of Skye, Scotland

The significance of mudstone fabric combined with palaeoecological evidence in determining sedimentary processes – an example from the Middle Jurassic of southern Poland

Early Cretaceous (Valanginian) sea lilies (Echinodermata, Crinoidea) from Poland

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