The eurypterid Adelophthalmus sievertsi (Chelicerata: Eurypterida) from the Lower Devonian (Emsian) Klerf Formation of Willwerath, Germany

被引：21
|
作者：
Poschmann, M [1 ]
机构：
[1] Dept Protect Cultural Monuments Rhineland Palatin, Sect Geol Sites, D-55116 Mainz, Germany
来源：
PALAEONTOLOGY | 2006年 / 49卷
关键词：
Eurypterida; Adelophthalmidae; morphology; systematics; Devonian; Lower Emsian; Rhenish Massif;
D O I：
10.1111/j.1475-4983.2005.00528.x
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
The eurypterid Rhenopterus sievertsi Stormer from the Lower Devonian of Germany is redescribed. Based on new morphological data, including the possession of prosomal limbs of Adelophthalmus-type and spatulae on the genital operculum, the species is transferred to Adelophthalmus Jordan, in Jordan and von Meyer and thus is the oldest representative of this geographically and stratigraphically widespread genus. Eurypterus? trapezoides Stormer is recognized as a junior synonym of A. sievertsi.
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页码：67 / 82
页数：16
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