approx translation: "Sipunculus pyriformis n. sp. The body is about 1 1/2 Lines long; The neck is very thin, about ... [details]
Modern authors (eg Cutler, 1994, Stephen & Edmonds, 1972) have cited the article "Danielssen, D. C. (1859). ... [details]
Sipunculus pyriformis Danielssen, 1860 cannot be treated as a junior synonym of Onchnesoma steenstrupii of 1875. ... [details]