MolluscaBase source details
Walford, E. A. (1885). On the stratigraphical positions of the Trigoniae of the Lower and Middle Jurassic beds of north Oxfordshire and adjacent districts. The Quarterly Journal of the Geological Society of London. 41: 35-47.
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Walford, E. A.
1885
On the stratigraphical positions of the Trigoniae of the Lower and Middle Jurassic beds of north Oxfordshire and adjacent districts
The Quarterly Journal of the Geological Society of London
41: 35-47
Publication
Date
action
by
Trigonia lycettii Walford, 1885 † accepted as Trigonia walfordensis Strand, 1928 † (original description)
Trigonia lycettii var. corrugata Walford, 1885 † (original description)
Trigonia northamptonensis Walford, 1885 † (original description)
Trigonia lycettii var. corrugata Walford, 1885 † (original description)
Trigonia northamptonensis Walford, 1885 † (original description)
