Large gryphaeid oysters as habitats for numerous sclerobionts: a case study from the northern Red Sea

Zuschin, Martin; Baal, C.

doi:10.1007/s10347-007-0110-8

Cited by 22 publications

(15 citation statements)

References 40 publications

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“…A few dozen C. minimus individuals can also be found in a 1-kg bulk sample. This high abundance of specimens allows for the formation of an echinoid ''shellground'' (e.g., Dodd and Stanton 1990;Zuschin et al 1999;Zuschin and Baal 2007). Locally, the Turonian sea floor was densely covered by dead echinoid tests forming a carpet available for colonization by encrusters.…”

Section: Characteristics Of the Encrusted Echinoidsmentioning

confidence: 99%

Encrustation patterns on Late Cretaceous (Turonian) echinoids from southern Poland

Borszcz

Kukliński

Zatoń

2012

Facies

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This study focuses on sclerobionts from a large collection of epibenthic echinoids ([2,000 specimens) of the genera Conulus and Camerogalerus. Samples were collected from five localities in southern Poland (Polish Jura and Miechów Trough), where Turonian carbonates with terrigenous input are exposed. Low intensity (mean ca. 5 %, maximum ca. 10 %) and slight encrustation (''loosening effect'') exclusively by episkeletozoans probably resulted from low productivity of encrusters while the importance of other factors cannot be excluded unambiguously. Echinoids served as a main substratum and after death formed shellgrounds ('echinoid carpet') offering abundant benthic islands for encrusters in an otherwise soft-bottom environment. The moderate abundance but low-diversity assemblage is represented by bivalves, sedentary polychaetes, foraminifera, bryozoans, corals, and sponges. This assemblage is similar to a nearly contemporaneous assemblage from the Bohemian Basin. The presence of numerous spirorbins offers insights into their early evolution and may indicate that their first peak in abundance after origination was not prior to the earliest Turonian. This is regarded as one of the important ecological steps towards the rise of modern sclerobiont communities. Encruster diversities are independent of their abundance and, as shown in our novel planar projections, lateral parts of tests were preferentially encrusted. This pattern is explained by the combination of largest flat area and stable orientation. Encrusting bivalves and serpulids dominated hard substrate environments in the Turonian of Poland.

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Section: Characteristics Of the Encrusted Echinoidsmentioning

confidence: 99%

Encrustation patterns on Late Cretaceous (Turonian) echinoids from southern Poland

Borszcz

Kukliński

Zatoń

2012

Facies

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“…Records from tropical regions are scant and are mainly restricted to the Caribbean Sea, documenting the pattern of recruitment of coral rubble-related sessile organisms (Choi and Ginsburg 1983;Choi 1984;Neal et al 1988;Meesters et al 1991;Gischler and Ginsburg 1996;Gischler 1997). Further literature concerns the sclerobiont colonization pattern on shells from the northern Red Sea (Zuschin et al 2001;Zuschin and Baal 2007) and the role of encrusters in binding bottom clasts (Rasser and Riegl 2002). Nevertheless, the colonization of small hard substrata in soft-bottoms is still poorly known, mostly focusing on coral reef ecosystems and reef-dwelling sessile organisms.…”

Section: Introductionmentioning

confidence: 98%

Cobbles colonization pattern from a tsunami-affected coastal area (SW Thailand, Andaman Sea)

Sanfilippo

Rosso

Basso

et al. 2010

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We studied the sclerobiont community associated with organogenic and lithic cobbles from soft bottoms in the Khao Lak coastal area (Andaman Sea) that was damaged by the 2004 tsunami. The 15 cobbles examined originate from grab and hand sampling carried out in the years 2006 and 2007 in the depth range of 4.6-15.2 m. A rich endo-and epibenthos was identiWed, mainly consisting of algae, foraminifers, sponges, cnidarians, polychaetes, bryozoans and bivalves. Associations on each examined cobble show similarities in composition and structure being characterized by a few dominant groups. DiVerences were noted in the degree and pattern of colonization, distinguishing for each cobble an upward and a downward side at the time of sampling. The mean total coverage is 15.09% being higher on the upper sides (17.4%) compared to the lower sides (12.8%). Calcareous algae, bivalves and sponges prevail on upper sides, while bryozoans prevail on lower sides. The sclerobionts distribution allowed to infer the orientation of cobbles on the seaXoor during colonization.Major colonization values, exceeding 30% coverage, were observed on organogenic cobbles located in the proximity of reefs or collected from below 12 m of water depth. Conversely, cobbles from the shallowest stations result poorly colonized, independently of their composition. The water turbidity and wave motion as a possible cause of the observed distributions were discussed. The Khao Lak cobble community seems to be largely unaVected by the tsunami event, as suggested by the estimated biodiversity, abundance and coverage of sclerobionts.

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“…Comments on morphometric approach. The morphometric data reported in taxonomic literature have been scarce and disperse (see Conrad, 1855;Gabb, 1869;Hanna, 1926;Olsson, 1961;Emerson & Hertlein, 1964;Keen, 1971;Zuschin & Piller, 1997;Zuschin & Baal, 2007); though, some authors have documented useful values ranges. Woodring (1938) However, there is not more information.…”

Section: Cristín and Perrilliat -Late Cenozoic Hyotissa From Western Nomentioning

confidence: 99%

Revision of the Late Cenozoic Hyotissa (Bivalvia: Pycnodonteinae) from Western North America

Cristín¹,

Perrilliat²

2013

rev. bras. paleontol.

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-Some Neogene Pycnodonte species, related to the ancient Gulf of California and coastal California, are morphologically similar to Hyotissa hyotis (Linnaeus), the living honeycomb oyster. Morphological variation in these species or in H. hyotis has never been studied. In order to document variation and use the results to detect a possible taxonomic overspliting, the present authors described the morphology and morphometry of fossil shells of H. hyotis from the early Pleistocene Loreto Basin, Baja California Sur, Mexico. It was compared with type and non-type specimens from the Early Miocene Vaqueros sandstone (coastal California), Late Miocene rocks of Isla Tiburón (Gulf of California), Pliocene Imperial Formation (southern California) and Pleistocene rocks in Loreto area (Gulf of California). The specimens from coastal California and Isla Tiburón were re-assigned to a new genus, and to Hyotissa cf. H. hyotis; and synonymized P. (Pycnodonte) heermanni (Conrad) from southern California with H. hyotis. With this new information, the fossil record of Hyotissa in western America ranges from Early Miocene to Recent; H. hyotis lived through the whole ancient Gulf of California during the Pliocene, contrary to the current distribution in the modern gulf. Finally, Hyotissa species exhibit a little variable morphology, which is contrary to traditional views, complicating Pycnodonteinae taxonomy and classifi cation.

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Large gryphaeid oysters as habitats for numerous sclerobionts: a case study from the northern Red Sea

Cited by 22 publications

References 40 publications

Encrustation patterns on Late Cretaceous (Turonian) echinoids from southern Poland

Encrustation patterns on Late Cretaceous (Turonian) echinoids from southern Poland

Cobbles colonization pattern from a tsunami-affected coastal area (SW Thailand, Andaman Sea)

Revision of the Late Cenozoic Hyotissa (Bivalvia: Pycnodonteinae) from Western North America

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