1225Cts-PARALRJURUS Trilobite BG-823 brazilgems

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细节

存货单位: BG-823
尺寸（毫米）: 93 x 63 x 37mm
重量 (cts): 1225
Treatment: No Treatment
Shape: Freeform
Type: Specimen
颜色

描述

PARALRJURUS DORMITZERY REHAMNANUS

ALBERTI TRILOBITE

CORNUPROETUS CORNUTUS

L. DEVONIAN OF MOROCCO

Formation: PARALEJURU BEDS

Age: Eifelian Stage, Devonian Period (Approx. 393–388 million years ago)

Location: JBEL IS SOUMOUR, EL OFTAL Morocco

It displays the diagnostic features of this species including a granulose cephalon and long swept-back genal spines

These animals, up to nine centimeters long, had an oval outline and a strongly arched exoskeleton. The cephalon has a smooth, detail-poor surface and an almost inconspicuous occipital bone behind the glabella in the transition to the thorax. The facet eyes have crescent-shaped lids. The thorax consists of ten narrow segments and a clearly arched and broad axial lobe ( rhachis ). The pygidium is very broad and denominate. The axillary lobe ends roundly and upwards. From this elevation, twelve to fourteen fine furrows extend radially. In contrast to the genus Scutellum with a pygidium with distinct furrows, in Paralejurus the pygidium was very smooth and strongly fused.

SPECIMEN SIZE: IN THE DIMENSIONS

TRILOBITE SIZE: 50.6X 25.9X 18 MM

TRADING AS - TRUEBLUEOPALS PTY LTD / LIGHTNINGOPALS LLC

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细节

存货单位: BG-823
尺寸（毫米）: 93 x 63 x 37 mm
重量 (cts): 1225
Treatment: No Treatment
Shape: Freeform
Type: Specimen
颜色

描述