| Author Title Journal |
Johnston G (1845-1846) An index to the British annelides. Ann. and Mag. o Nat. Hist. Vol. 16: 433-462, plate 15, fig 2 a, b. London 1845 (1846). |
Abstract / Notes
reference from Graff Lv 1904-08 (citation)- p 1754.
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