Results 141 to 150 of about 468 (168)

Relative growth and the compound eye in Xiphosura

Journal of Morphology, 1954
exaly   +2 more sources

Observations on Nutrition of Bdelloura candida (Turbellaria), an Ectocommensal of Limulus polyphemus (Xiphosura)

American Midland Naturalist, 1977
David M. Lauer, Bernard Fried
exaly   +2 more sources

Valloisella lievinensis Racheboeuf, 1992 (Chelicerata; Xiphosura) from the Westphalian B of England

Neues Jahrbuch Für Geologie Und Paläontologie, 1995
Lyall I Anderson
exaly   +2 more sources

Первая ископаемая яйцекладка мечехвостов (Chelicerata, Xiphosura) из карбона Хакасии

Paleontological Journal, 2018
exaly   +2 more sources

Fatty acids of the female horseshoe crab Xiphosura (Limulus) polyphemus

Marine Biology, 1973
The fatty acid composition of 9 different tissues and organs of the female horseshoe crab Xiphosura (Limulus) polyphemus — one of the very few recent representatives of the ancient arthropod class Merostomata — was investigated in reference to the distribution of fatty acids through the marine food web.
D. J. van der Horst, R. C. H. M. Oudejans, A. G. Plug, I. van der Sluis   +3 more
openaire   +1 more source

On the fine structure of spermatozoa ofTachypleus gigas(Xiphosura, Merostomata)

International Journal of Invertebrate Reproduction and Development, 1986
Summary Among the Arthropoda the Xiphosura are the only group whose spermatozoa resemble the so-called ‘primitive type’, although even here there are some differences. The spermatozoa of Tachypleus consist of a sperm head, a middle piece, and a long flagellum.
G. Alberti, H. H. Janssen
openaire   +1 more source

The ontogeny of Limulus polyphemus (Xiphosura s. str., Euchelicerata) revised: looking “under the skin”

Development Genes and Evolution, 2018
In recent years, methods for investigating the exo-morphology of zoological specimens have seen large improvements. Among new approaches, auto-fluorescence imaging offers possibilities to document specimens under high resolution without introducing additional artifacts as, for example, seen in scanning electron microscopy (SEM) imaging.
Carolin Haug, Marie A. I. N. Rötzer
openaire   +2 more sources

Notes on King-Crabs (Xiphosura)

1931
Bulletin of the Raffles Museum, Singapore, Issue 5, pp.
openaire   +1 more source

New Data on Carboniferous Xiphosurans (Xiphosura, Chelicerata) of the Donets Coal Basin

Paleontological Journal, 2018
Descriptions of four xiphosuran species belonging to two genera, Bellinurus Pictet, 1846 and Prestwichianella Woodward, 1918 (currently included in Euproops Meek, 1867), which were described in the 1920s from the Carboniferous of the Donets Coal Basin, are reassessed based on modern knowledge of taphonomy and xiphosuran anatomy.
openaire   +1 more source

Beiträge zur Embryonalentwicklung vonLimulus Polyphemus L. (Chelicerata, Xiphosura)

Zoomorphologie, 1977
Es wurde die Entwicklungsgeschichte einiger Organsysteme vom Beginn der Segmentierung des Keimstreifens bis zum 1. Larvenstadium anLimulus polyphemus untersucht. Von besonderem Interesse erschien die Ausgestaltung metamerer Strukturen mesodermaler und ektodermaler Herkunft.
openaire   +1 more source