Claus Nielsen
Books
Animal Evolution
1995
ISBN 9780198548683
Entoprocts
1988
ISBN 9789004088863
New Middle and Late Anisian Ammonoid Faunas from Northwestern Nevada No. 52
2007
ISBN 9781405163651
Animal Evolution
1995
ISBN 9780198548683Entoprocts
1988
ISBN 9789004088863New Middle and Late Anisian Ammonoid Faunas from Northwestern Nevada No. 52
2007
ISBN 9781405163651