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Early Tithonian serpulid-dominated cavity-dwelling fauna, and the recruitment pattern of the serpulid larvae

Jan Schlogl, Jozef Michalik, Kamil Zagorsek and Francois Atrops
Early Tithonian serpulid-dominated cavity-dwelling fauna, and the recruitment pattern of the serpulid larvae
Journal of Paleontology (March 2008) 82 (2): 351-361

Abstract

A Lower Tithonian cavity-dwelling community from pelagic carbonate platform deposits of the Czorsztyn Unit, Western Carpathians, represents a succession of mostly solitary coelobite organisms, dominated by scleractinian corals and small-sized serpulids during the initial recruitment stage, and by serpulids during the following recruitment stages. These bioconstructors were accompanied with other suspension feeders: thecideidine brachiopods, oysters, bryozoans, sponges, crinoids and sessile foraminifers. The boundary between the first and the second recruitment stage represents an interval of aggregate growth interruption, when a thin sheet of cyclostome bryozoans developed. Corals and serpulids Neovermilia and Vermiliopsis are primary bioconstructors; all other associated organisms profited from the free spaces between the serpulid tubes. The aggregates were already bioeroded, mineralized and encrusted during their growth. Serpulid larvae show a special recruitment pattern. Their tubes were observed attached on the inner surfaces of adult serpulid tubes only. Possible causes of such a larval behaviour involve several physical, biological or chemical factors. Except for the first recruitment stage, the rest of the succession seems to be physically controlled by the gradual infilling of cavities.


ISSN: 0022-3360
EISSN: 1937-2337
Coden: JPALAZ
Serial Title: Journal of Paleontology
Serial Volume: 82
Serial Issue: 2
Title: Early Tithonian serpulid-dominated cavity-dwelling fauna, and the recruitment pattern of the serpulid larvae
Affiliation: Comenius University, Department of Geology and Paleontology, Bratislava, Slovakia
Pages: 351-361
Published: 200803
Text Language: English
Publisher: Paleontological Society, Lawrence, KS, United States
References: 59
Accession Number: 2008-072133
Categories: Invertebrate paleontology
Document Type: Serial
Bibliographic Level: Analytic
Annotation: IGCP Project No. 506
Illustration Description: illus. incl. strat. col., 1 table, sketch map
N49°04'00" - N49°04'00", E18°08'60" - E18°08'60"
Secondary Affiliation: Slovak Academy of Sciences, SVK, SlovakiaNational Museum, CZE, Czech RepublicUniversite Claude Bernard-Lyon I, FRA, France
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, The Paleontological Society. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 200819
Program Name: IGCPInternational Geological Correlation Programme
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