Archopterus

{{Short description|Fossil genus of arthropod}}

{{Sources exist|date=January 2024}}

{{Speciesbox

| fossil_range = Late Ordovician, {{fossil range|455}}

| image = Anji Biota.jpg

| image_caption = Reconstruction of A. anjiensis swimming through a glass sponge reef.

| parent_authority = Wang et al., 2023

| genus = Archopterus

| species = anjiensis

| authority = Wang et al., 2023

}}

Archopterus is a genus of eurypterid in the family Adelophthalmidae, represented by one species. It was discovered in the Wenchang Formation of Tianfucun, Anji County, Zhejiang Province, South China. This genus is represented by a single species (Archopterus anjiensis) from the Ordovician, the oldest species from China and also of its family.{{Cite journal |last=Wang |first=Han |last2=Braddy |first2=Simon J. |last3=Botting |first3=Joseph |last4=Zhang |first4=Yuandong |date=2023 |title=The first documentation of an Ordovician eurypterid (Chelicerata) from China |url=https://www.cambridge.org/core/journals/journal-of-paleontology/article/abs/first-documentation-of-an-ordovician-eurypterid-chelicerata-from-china/2F0762857D48061467555E2C91387957 |journal=Journal of Paleontology |language=en |volume=97 |issue=3 |pages=606–611 |doi=10.1017/jpa.2023.21 |issn=0022-3360}}{{Cite web |last=Ma |first=Zhenhuan |title=Ancient sea scorpion fossil discovered in Zhejiang |url=https://www.chinadaily.com.cn/a/202306/01/WS6477ee7fa3107584c3ac34c2.html |access-date=2024-01-31 |year=2023 |website=China Daily}}