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Rogalla, Nicole S., Carter, Joseph G., Pojeta, John (2003) Shell microstructure of the Late Carboniferous rostroconch molluscApotocardium lanterna(Branson, 1965) Journal of Paleontology, 77 (4) 655-673 doi:10.1017/s0022336000044401

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Reference TypeJournal (article/letter/editorial)
TitleShell microstructure of the Late Carboniferous rostroconch molluscApotocardium lanterna(Branson, 1965)
JournalJournal of Paleontology
AuthorsRogalla, Nicole S.Author
Carter, Joseph G.Author
Pojeta, JohnAuthor
Year2003 (July)Volume77
Issue4
PublisherCambridge University Press (CUP)
DOIdoi:10.1017/s0022336000044401Search in ResearchGate
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Mindat Ref. ID419810Long-form Identifiermindat:1:5:419810:3
GUID0
Full ReferenceRogalla, Nicole S., Carter, Joseph G., Pojeta, John (2003) Shell microstructure of the Late Carboniferous rostroconch molluscApotocardium lanterna(Branson, 1965) Journal of Paleontology, 77 (4) 655-673 doi:10.1017/s0022336000044401
Plain TextRogalla, Nicole S., Carter, Joseph G., Pojeta, John (2003) Shell microstructure of the Late Carboniferous rostroconch molluscApotocardium lanterna(Branson, 1965) Journal of Paleontology, 77 (4) 655-673 doi:10.1017/s0022336000044401
In(2003, July) Journal of Paleontology Vol. 77 (4) Cambridge University Press (CUP)
Abstract/NotesThe Late Carboniferous bransoniid conocardioideanApotocardium lanterna(Branson, 1965) had an entirely aragonitic shell with a finely prismatic outer shell layer, a predominantly crossed lamellar to complex crossed lamellar middle shell layer, and an “inner” shell layer of finely textured porcelaneous and/or matted structure. This “inner” layer is probably homologous with the inner part of the middle shell layer and the inner layersensu strictoof bivalved molluscs. Shell morphological and microstructural convergences between conocardioids and living heart cockles suggest that at least some conocardioids may have farmed algal endosymbionts in their posterior mantle margins. This symbiosis may have helped conocardioids compete with the biomechanically more efficient bivalves during the latter part of the Paleozoic.


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