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Ascidiacea

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Journal Article
Published: 01 May 2012
Journal of Paleontology (2012) 86 (3): 521-526.
... (Class Ascidiacea, Tunicata), commonly known as sea squirts, are sac-like marine filter-feeding animals. Most ascidians have no mineral skeleton but instead possess a tough outer cellular “tunic” formed by the polysaccharide tunicin, which covers the body (zooid) and provides structure. However, some...
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Journal Article
Published: 01 January 2014
Journal of Foraminiferal Research (2014) 44 (1): 58-61.
... in Admiralty Bay, King George Island, west Antarctica : Polish Polar Research , v. 26 , p. 159 – 214 . Marins F. O. Oliveira C. S. Maciel N. M. V. Skinner L. F. , 2009 , Reinclusion of Ciona intestinalis (Ascidiacea: Cionidae) in Brazil—a methodological view : Marine Biodiversity...
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Journal Article
Published: 01 April 2008
Mineralogical Magazine (2008) 72 (2): 579-592.
... shells ( Hasse et al. , 2006 ), fish otoliths ( Oliveira and Farina, 1996 ; Gauldie et al. , 1997 ; Falini et al. , 2005 ; Melancon et al. , 2005 ) and spicules from tropical marine organisms ( Ascidiacea ; Lowenstam and Abbott, 1975 ). Although its occurrence is well described, the function...
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Journal Article
Published: 29 May 2018
Geological Magazine (2018) 156 (1): 172-178.
... with these, there are some congruences in overall form and in the appearance of particular structures, though at this time any concrete suggestion of affinity would be premature and is not endorsed herein. Consider the urochordate Class Ascidiacea. Among fossil ascidians, Cheungkongella ancestralis Shu et al. 2001...
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Journal Article
Published: 01 April 2008
Mineralogical Magazine (2008) 72 (2): 617-626.
... in various taxa: Ascidiacea, Octocorallia and Molluscs ( Weiner et al ., 2003 ). The larval shells of Crassostrea (pelecypod) are mainly composed of ACC and an aragonite phase ( Weiss et al. , 2002 ), with the whole shell turning to calcite after metamorphosis. The larval shells of Biomphalaria...
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Journal Article
Published: 01 April 2004
Journal of Foraminiferal Research (2004) 34 (2): 96-101.
... Micropaleontology , v. 36 , p. 109 – 168 . Lambert , G. , and Lambert , C. C. , 1996 , Spicule formation in the New Zealand Pyura pachydermatina (Chordata, Ascidiacea) : Connective Tissue Research , v. 34 , p. 263 – 269 . McCorkle , D. C. , Bernhard , J. M. , Hintz , C. J...
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Journal Article
Journal: Paleobiology
Published: 01 January 2000
Paleobiology (2000) 26 (3): 513-519.
... . The evolution of complexity . Princeton University Press , Princeton, N.J . Burighel , P. , and R. A. Cloney . 1997 . Urochordata: Ascidiacea . Pp. 221 – 347 in F. W. Harrison and E. E. Ruppert , eds. Microscopic anatomy of invertebrates, Vol. 5. Hemichordata, Chaetognatha...
Journal Article
Published: 01 February 2016
American Mineralogist (2016) 101 (2): 289-296.
... and calcium carbonate: 1. Spontaneous precipitation of calcium carbonate in the presence of dissolved silica . Geochimica et Cosmochimica Acta , 74 , 2655 – 2664 . Lowenstam H.A. Abbott D.P. ( 1975 ) Vaterite: A mineralization product of the hard tissues of a marine organism (Ascidiacea...
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Journal Article
Published: 01 August 2012
American Mineralogist (2012) 97 (8-9): 1437-1445.
... (Ascidiacea) . Science , 188 , 363 – 365 . Malkaj P. Kanakis J. Dalas E. ( 2004 ) The effect of leucine on the crystal growth of calcium carbonate . Journal of Crystal Growth , 266 , 533 – 538 . Meldrum A. Zinkle S.J. Boatner L.A. Ewing R.C. ( 1999 ) Heavy...
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Journal Article
Published: 01 September 2005
Journal of Paleontology (2005) 79 (5): 987-996.
...-layer, sediment gravity flows from the Sekwi Formation (Lower Cambrian), Mackenzie Mountains, Northwest Territories, Canada . Canadian Journal of Earth Sciences , 16 : 189 – 199 . Lambert , G. 1998 . Spicule formation in the solitary ascidian Bathypera feminalba (Ascidiacea, Pyuridae...
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Journal Article
Journal: PALAIOS
Published: 01 June 2013
PALAIOS (2013) 28 (6): 373-385.
.... 457 , p. 718 – 721 . Łukowiak M. 2012 , First record of late Eocene ascidians (Ascidiacea, Tunicata) from southeastern Australia : Journal of Paleontology , v. 86 , no. 3 , p. 521 – 526...
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Journal Article
Published: 01 October 2015
Journal of Sedimentary Research (2015) 85 (10): 1275-1291.
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