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[古生物学•2025] Mosura Fentoni•节肢动物Tagmosis的早期可变性,由Burgess页岩的新射线典礼示例

[Paleontology • 2025] Mosura fentoni • Early Evolvability in Arthropod Tagmosis exemplified by A New Radiodont from the Burgess Shale

Mosura Fentoni Moysiuk&Caron,2025 doi:doi.org/10.1098/rsos.242122 Arthropod形式的抽象多样性是片段数量和分化的结果(TagMosis)。迄今为止,化石证据表明,最早的节肢动物(radiodonts)在tagmosis中的变异性相对有限。我们提出了一个新的Radiodont,Mosura Fentoni n。 Gen。和n。 Sp。,来自寒武纪(Wuliuan)Burgess页岩,偏离了这种模式。 Mosura展示了多达26个树干段,这是任何径向的最高数量,尽管已知最小。头部短,有一个小的,圆形的前巩膜,三个突出的眼睛和附

秘鲁的Thrixopelma Schmidt属,1994

The genus Thrixopelma Schmidt, 1994 from Peru: redescription of the male of T. ockerti Schmidt,1994 (Araneae: Theraphosidae: Theraphosinae), and a new species

The genus Thrixopelma Schmidt, 1994 from Peru: redescription of the male of T. ockerti Schmidt,1994 (Araneae: Theraphosidae: Theraphosinae), and a new speciesAbstractWe redescribe and illustrate the male of Thrixopelma ockerti Schmidt, 1994 presenting the first analysis of keels on the palpal bulb.此