DOI: 10.1126/science.166.3909.1150. Crystal Orientation and Plate Structure in Echinoid Skeletal Units

Crystal Orientation and Plate Structure in Echinoid Skeletal Units

10.1126/science.166.3909.1150

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

The submicroscopic morphology of magnesian calcite skeletal units of echinoids, revealed by scanning electron microscopy, was compared with crystal orientation data obtained by x-ray methods and with macroscopic morphology. The Perischoechinoidea and the Euechinoidea differ with regard to the shapes of their trabeculae. Nearly all plates and spines are single crystals. A variety of different directional relations of c - and a -axes to the main morphological directions are found for different species; adjacent plates with identical c -axis orientation differ strongly in orientation of their a -axes. Fracture surfaces of single trabeculae show cleavage planes and zonal layers attributed to changes in secretion conditions.

Bibliography

Nissen, H.-U. (1969). Crystal Orientation and Plate Structure in Echinoid Skeletal Units. Science, 166(3909), 1150â1152.

Authors 1

Hans-Ude Nissen (first)

References 20 Referenced 128

BECHER, S, Uber statische Strukturen und kirstalloptische Eigentumlichkeiten des Echinodermenskeletts, VERHANDLUNGEN DER DEUTSCHEN ZOOLOGISCHEN GESELLSCHAFT 24 307 (1914). / VERHANDLUNGEN DER DEUTSCHEN ZOOLOGISCHEN GESELLSCHAFT / Uber statische Strukturen und kirstalloptische Eigentumlichkeiten des Echinodermenskeletts (1914)
DEUTLER, F, ZOOLOGISCHE JAHRBUCHER 48: 119 (1926). / ZOOLOGISCHE JAHRBUCHER (1926)
DONNAY, G, CARNEGIE INSTITUTION OF WASHINGTON YEAR BOOK: 205 (1956). / CARNEGIE INSTITUTION OF WASHINGTON YEAR BOOK (1956)
DURHAM, J.W., A CLASSIFICATION OF ECHINOIDS, JOURNAL OF PALEONTOLOGY 31: 242 (1957). / JOURNAL OF PALEONTOLOGY (1957)
GARRIDO, J, *CRISTALLOGRAPHIE - STRUCTURE CRISTALLINE DES PIQUANTS DOURSIN, COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES 224: 485 (1947). / COMPTES RENDUS HEBDOMADAIRES DES SEANCES DE L ACADEMIE DES SCIENCES (1947)
MERKER, E, Maybe ZOOLOGISCHE JAHRBUCHER. ABTEILUNG FUR ALLGEMEINE ZOOLOGIE UND PHYSIOLOGIE DER TIERE 36: 25 (1916). / Maybe ZOOLOGISCHE JAHRBUCHER. ABTEILUNG FUR ALLGEMEINE ZOOLOGIE UND PHYSIOLOGIE DER TIERE (1916)
Nichols, D., Cell Structure and Its Interpretation: CH20 (1968). / Cell Structure and Its Interpretation (1968)
NISSEN, H.U., DYNAMIC AND KINEMATIC ANALYSIS OF DEFORMED CRINOID STEMS IN A QUARTZ GRAYWACKE, JOURNAL OF GEOLOGY 72: 346 (1964). (10.1086/626990) / JOURNAL OF GEOLOGY (1964)
NISSEN, H.U., JOURNAL OF GEOLOGY 72: 356 (1964). / JOURNAL OF GEOLOGY (1964)
NISSEN, H, NEUES JAHRBUCH FUR MINERALOGIE. ABHANDLUNGEN 117: 230 (1963). / NEUES JAHRBUCH FUR MINERALOGIE. ABHANDLUNGEN (1963)
OKAZAKI, K, EMBRYOLOGIA 5: 283 (1960). (10.1111/j.1440-169X.1960.tb00096.x) / EMBRYOLOGIA (1960)
PANNING, E, ZEITSCHRIFT FUR WISSENSCHAFTLICHE ZOOLOGIE 132: 95 (1928). / ZEITSCHRIFT FUR WISSENSCHAFTLICHE ZOOLOGIE (1928)
RAUP, D.M., ONTOGENETIC VARIATION IN THE CRYSTALLOGRAPHY OF ECHINOID CALCITE, JOURNAL OF PALEONTOLOGY 34: 1041 (1960). / JOURNAL OF PALEONTOLOGY (1960)
RAUP, D.M., THE PHYLOGENY OF CALCITE CRYSTALLOGRAPHY IN ECHINOIDS, JOURNAL OF PALEONTOLOGY 36: 793 (1962). / JOURNAL OF PALEONTOLOGY (1962)
Schmid W. J. Bausteine des Tierkorpers Im polarisierten Licht (1924).
10.1016/S0022-5320(69)90043-4
WEBER, J.N., INCORPORATION OF MAGNESIUM INTO SKELETAL CALCITES OF ECHINODERMS, AMERICAN JOURNAL OF SCIENCE 267: 537 (1969). (10.2475/ajs.267.5.537) / AMERICAN JOURNAL OF SCIENCE (1969)
WEBER, J.N., ZEITSCHRIFT FUR MORPHOLOGIE UND OKOLOGIE DER TIERE 64: 179 (1969). (10.1007/BF00391786) / ZEITSCHRIFT FUR MORPHOLOGIE UND OKOLOGIE DER TIERE (1969)
WENK, H.R., SCHWEIZERISCHE MINERALOGISCHE UND PETROGRAPHISCHE MITTEILUNGEN 43: 707 (1963). / SCHWEIZERISCHE MINERALOGISCHE UND PETROGRAPHISCHE MITTEILUNGEN (1963)
WEST, C.D., JOURNAL OF PALEONTOLOGY 11: 458 (1937). / JOURNAL OF PALEONTOLOGY (1937)

Dates

Type	When
Created	18 years, 10 months ago (Oct. 5, 2006, 8:14 a.m.)
Deposited	1 year, 7 months ago (Jan. 11, 2024, 9:22 a.m.)
Indexed	1 month, 1 week ago (July 24, 2025, 7:10 a.m.)
Issued	55 years, 9 months ago (Nov. 28, 1969)
Published	55 years, 9 months ago (Nov. 28, 1969)
Published Print	55 years, 9 months ago (Nov. 28, 1969)

Funders 0

None

BibTeX

@article{Nissen_1969, title={Crystal Orientation and Plate Structure in Echinoid Skeletal Units}, volume={166}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.166.3909.1150}, DOI={10.1126/science.166.3909.1150}, number={3909}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Nissen, Hans-Ude}, year={1969}, month=nov, pages={1150–1152} }

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