Zobrazeno 1 - 5
of 5
pro vyhledávání: '"William P. Heimbrock"'
Publikováno v:
Geosciences, Vol 3, Iss 1, Pp 1-29 (2013)
Nacre was previously thought to be primitive in the Mollusca, but no convincing Cambrian examples are known. This aragonitic microstructure with crystal tablets that grow within an organic framework is thought to be the strongest, most fracture-resis
Externí odkaz:
https://doaj.org/article/eb48bcc20a564c058764975bbfb38cac
Publikováno v:
Journal of Paleontology. 93:658-672
Exceptional sub-micrometer details of shell microstructure are preserved in phosphatic micro-steinkerns representing several phyla from shell beds of the Upper Ordovician of the Cincinnati Arch region, USA. These fossils provide the most detailed rec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::101169df52ad2f2ed04d010898f7d317
https://doi.org/10.1017/jpa.2018.106
https://doi.org/10.1017/jpa.2018.106
Autor:
Winfried S. Peters, Rebecca L. Freeman, Jack W. Kallmeyer, Bradley Deline, William P Heimbrock, Anne S. Argast, Jessie Reeder, Anthony J. Martin, Benjamin F. Dattilo
Publikováno v:
PALAIOS. 31:55-70
Small fossils are preserved as phosphatic (carbonate fluorapatite) micro-steinkerns (~ 0.5 mm diameter) in Upper Ordovician beds of the Cincinnati area. Mollusks are common, along with bryozoan zooecia, echinoderm ossicles, and other taxa. Similar oc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4007c1aec5067599ab7893e8d847d92b
https://doi.org/10.2110/palo.2015.040
https://doi.org/10.2110/palo.2015.040
Publikováno v:
Geosciences, Vol 3, Iss 1, Pp 1-29 (2013)
Geosciences; Volume 3; Issue 1; Pages: 1-29
Geosciences; Volume 3; Issue 1; Pages: 1-29
Nacre was previously thought to be primitive in the Mollusca, but no convincing Cambrian examples are known. This aragonitic microstructure with crystal tablets that grow within an organic framework is thought to be the strongest, most fracture-resis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6e4ebd645b2bae6aef51ade00852632
http://www.mdpi.com/2076-3263/3/1/1
http://www.mdpi.com/2076-3263/3/1/1
Autor:
Debbie G. Scheid, Robert C. Frey, William P. Heimbrock, Walter B. Gibson, Stephen H. Felton, Sylvester A. Schumacher, Dan L. Cooper, Marcus M. Key, Loren E. Babcock, Gregory A. Schumacher
Publikováno v:
Journal of Paleontology. 84:1121-1134
Commensal epizoozoans and episkeletozoans are rarely preserved attached to the external exoskeleton of the Late Ordovician trilobite Flexicalymene. Of nearly 15,000 Flexicalymene specimens examined, 0.1% show epizoozoans or episkeletozoans. Factors l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27335de2bc77b4e5f24afa115112e0ae
https://doi.org/10.1666/10-018.1
https://doi.org/10.1666/10-018.1