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Archopterus anjiensis

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Journal Article
Published: 01 May 2023
Journal of Paleontology (2023) 97 (3): 606–611.
...Han Wang; Simon J. Braddy; Joseph Botting; Yuandong Zhang Abstract An early form of eurypterids (Chelicerata), Archopterus anjiensis n. gen. n. sp., is described from the uppermost Ordovician Wenchang Formation of Anji County, Zhejiang Province, South China. It is the earliest record of eurypterids...
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First thumbnail for: The first documentation of an Ordovician eurypteri...
Second thumbnail for: The first documentation of an Ordovician eurypteri...
Third thumbnail for: The first documentation of an Ordovician eurypteri...
Image
Archopterus anjiensis n. gen. n. sp. (1) Entire specimen, holotype (NIGP 164906). (2) Line drawing of the entire specimen. (3) Close-up of type A genital appendage. (4) Counterpart. Scale bars = 10 mm.
Published: 01 May 2023
Figure 2. Archopterus anjiensis n. gen. n. sp. ( 1 ) Entire specimen, holotype (NIGP 164906). ( 2 ) Line drawing of the entire specimen. ( 3 ) Close-up of type A genital appendage. ( 4 ) Counterpart. Scale bars = 10 mm.
Image
Regional map and stratigraphy. (1) Map of the Fushi Reservoir area (Anji County, Zhejiang Province, South China) showing location of the Tianfucun section where Archopterus anjiensis n. gen. n. sp. was recovered. (2) Lithostratigraphy and biozone showing the approximate position of Archopterus anjiensis n. gen. n. sp. in black mudstones of the Wenchang Formation.
Published: 01 May 2023
Figure 1. Regional map and stratigraphy. ( 1 ) Map of the Fushi Reservoir area (Anji County, Zhejiang Province, South China) showing location of the Tianfucun section where Archopterus anjiensis n. gen. n. sp. was recovered. ( 2 ) Lithostratigraphy and biozone showing the approximate position
Image
Enhanced image of Archopterus anjiensis n. gen. n. sp., the original color of the fossil adjusted to blue to improve contrast. (1) Entire specimen, holotype (NIGP 164906). (2) Close-up of appendage. (3) Close-up of type A genital appendage. (4) Close-up of metastoma (counterpart). (1, 3, 4) Scale bars = 10 mm; (2) scale bar = 2 mm.
Published: 01 May 2023
Figure 3. Enhanced image of Archopterus anjiensis n. gen. n. sp., the original color of the fossil adjusted to blue to improve contrast. ( 1 ) Entire specimen, holotype (NIGP 164906). ( 2 ) Close-up of appendage. ( 3 ) Close-up of type A genital appendage. ( 4 ) Close-up of metastoma