Alardus Busch, 1851 accepted as Micrura Ehrenberg, 1828 (original description)
Alardus caudatus Busch, 1851 accepted as Micrura fasciolata Ehrenberg, 1828 (original description)
Alaurina Busch, 1851 accepted as Microstomum Schmidt, 1848 (original description)
Alaurina prolifera Busch, 1851 accepted as Microstomum proliferum (Busch, 1851) (original description)
Bougainvillia diplectanos Busch, 1851 accepted as Bougainvillia muscus (Allman, 1863) (original description)
Bougainvillia mediterranea Busch, 1851 (original description)
Eudoxia eschscholzii Busch, 1851 accepted as Muggiaea kochii (Will, 1844) (original description)
Eurycercus Busch, 1851 accepted as Fritillaria Fol, 1872 (original description)
Eurycercus pellucidus Busch, 1851 accepted as Fritillaria pellucida (Busch, 1851) (original description)
Fritillaria pellucida typica (Busch, 1851) (original description)
Gyrator viridis Busch, 1851 (original description)
Kalliphobe Busch, 1851 (original description)
Kalliphobe appendiculata Busch, 1851 (original description)
Lizzia dibalia Busch, 1851 accepted as Thamnostoma dibalium (Busch, 1851) (original description)
Muggiaea Busch, 1851 (original description)
Muggiaea pyramidalis (Will, 1844) accepted as Muggiaea kochii (Will, 1844) (basis of record)
Platamonia Busch, 1851 (original description)
Platamonia tergestina Busch, 1851 (basis of record)
Platamonia tergestina Busch, 1851 (original description)
Sagitta cephaloptera Busch, 1851 accepted as Spadella cephaloptera (Busch, 1851) (original description)
Sarsia macrorhynchia Busch, 1851 accepted as Sarsia tubulosa (M. Sars, 1835) (original description)
Sarsia nodosa Busch, 1851 accepted as Hydractinia carnea (M. Sars, 1846) accepted as Podocoryna carnea M. Sars, 1846 (original description)
Sarsia ocellata Busch, 1851 (original description)
Tetraplatia Busch, 1851 (original description)
Tetraplatia volitans Busch, 1851 (original description)
Typhloscolex Busch, 1851 (original description)
Typhloscolex muelleri Busch, 1851 (original description)

Alboran Sea for Tetraplatia volitans Busch, 1851 
Italian Exclusive Economic Zone for Kalliphobe appendiculata Busch, 1851 
Spain for Alaurina prolifera Busch, 1851 
Trieste for Lizzia dibalia Busch, 1851 
Trieste for Sarsia ocellata Busch, 1851 

 Grammatical gender

 for Typhloscolex Busch, 1851

As 'scolex' meaning worm is a masculine Greek noun (fide Brown, 1956) then Typhloscolex must be masculine. ... [details]

 Type locality

 for Sarsia nodosa Busch, 1851

Coast of Corwall, England [details]