systematics of european naiades bivalvia unionoidea a
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Systematics of European naiades (Bivalvia: Unionoidea): a review and - PDF document

See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/312086875 Systematics of European naiades (Bivalvia: Unionoidea): a review and some new aspects. [Presentation abstract] Conference Paper


  1. See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/312086875 Systematics of European naiades (Bivalvia: Unionoidea): a review and some new aspects. [Presentation abstract] Conference Paper · June 1992 CITATIONS READS 0 19 1 author: Karl-Otto Nagel 104 PUBLICATIONS 592 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: Faunistics and biology of freshwater mussels in Hesse, Germany View project ฀ Rescuing Microcondylaea bonellii: a testimonial for non-iconic neglected species. View project All content following this page was uploaded by Karl-Otto Nagel on 05 January 2017. The user has requested enhancement of the downloaded file.

  2. 37 C o p y n g h l 1 9 9 2 b y U n i v e r s i l y o f S i e n a - S i e n a - Italy A b s t r . 1 1 ' I n l a r n M a l a c o i . C o n g r . . S > e n a 1 9 9 2 - F . G I U S T I S G M A N G A N E L L I e d s S Y S T E M A T I C S O F E U R O P E A N N A I A D E S ( B i v a l v i a : U n i o n o i d e a ) : A - R E V I E W A N D SOME NEW A S P E C T S . _ . K a r l - O t t o N a g e l : - Universitä d i T o r i n o , D i p a r t i m e n t o d i B i o l o g i a A n i m a l e V i a A c c a d e m i a A l b e r t i n a 1 7 , 1 - 1 0 1 2 3 T o r i n o , I t a l y I n t r o d u c t i o n E u r o p e a n n a i a d e s w e r e m o s t l y c l a s s i f i e d b y s h e l l c h a r a c t e r s a n d t h e i r a n a t o m y h a d r a r e l y b e e n u s e d t o e s t a b l i s h t h e r e l a t i o n s h i p s a m o n g t a x a . T h e r e i s g e n e r a l a g r e e m e n t o n t h e f u n d a m e n t a l r o l e o f c o m p a r a t i v e a n a t o m y a n d m o r p h o l o g y f o r t h e s y s t e m a t i c s o f t h e U n i o n o i d e a ( D a v i s , 1 9 8 3 ) . N a g e l ( 1 9 8 8 ) f o u n d n e w s u i t a b l e c h a r a c t e r s f o r f u r t h e r c o m p a r i s o n s a m o n g t a x a . T h e s t u d y o f e n z y m e s h a s c o n t r i b u t e d m u c h t o o u r u n d e r - s t a n d i n g o f s p e c i e s c o m p l e x e s . F i r s t r e s u l t s w e r e o b t a i n e d f o r E u r o p e a n U n i o ( B a d i n o , C e l e b r a n o & N a g e l , i n p r e s s ) . B a s e d o n t h e s e f i n d i n g s t h e E u r o p e a n n a i a d e s c a n b e p l a c e d i n t o a m o d e r n s y s t e m o f t h e U n i o n o i d e a . M a t e r i a l a n d m e t h o d a M o s t o f t h e n u s s e l s f o r a n a t o n i c a l s t u d i e s w e r e c o l l e c t e d i n G e r m a n y a n d F r a n c e . M u s e u m s p e c i m e n s w e r e u s e d f o r r a r e s p e c i e s . L a r v a e o f P o t o m i d a l i t t o r a l i s ( C u v i e r 1 7 9 8 ) , U H - i f l . t u m i d u s ( P h i l i p s s o n 1 7 8 8 ) a n d M i c r o c o n d v l a e a c o n p r e s s a ( M e n k e 1 8 2 8 ) w e r e s a m p l e d f r o m a f e w m u s s e l s o n l y . T h e c e l l u l o s e a c e t a t e a n d P A G E t e c h n i q u e s w e r e u s e d i n e n z y m e a n a l y s i s . R e s u l t s zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA L • E u r o p e a n n a i a d e s b e l o n g t o t h e t w o f a m i l i e s M a r g a r i t i f e r i d a e a n d U n i o n i d a e . T h e y d i f f e r i n I m p o r t a n t a n a t o m i c a l a n d m i c r o s t r u c t u r a l c h a r a c t e r i s t i c s : M a r g a r i t i f e r i d a e a ) h a v e a n i n c o m p l e t e g i l l d i a p h r a g m a , b ) t e n d t o h a v e p a t c h e s o f c o n n e c t i v e t i s s u e a r r a n g e d i n o b l i q u e r o w s i n s t e a d o f g i l l s e p t a e ( S m i t h & W a l l , 1 9 8 4 ) , c ) h a v e a f a r m o r e c o m p l e x s t o m a c h s t r u c t u r e ( N a g e l , 1 9 8 8 ) , d ) s h o w m a n t l e m u s c l e s c a r s o n t h e i n n e r s h e l l s u r f a c e , e ) h a v e t w o d i f f e r e n t t y p e s o f c o n c h i o l i n l a y e r s i n t e r s p e r s e d a m o n g t h e s h e l l m a t r i x ( K a t , 1 9 8 3 ) , a n d f ) p o s s e s s s m a l l l a r v a e w i t h o u t a n y s p i n e s ( m a r g a r i t i f e r i d t y p e ; N a g e l , 1 9 8 8 ) . M a r g a r i t i f e r a m a r t f a r i t i f e r a ( L . 1 7 5 8 ) a n d t L . s i n u a t a ( L a m a r c k 1 8 1 9 ) a r e t h e o n l y M a r g a r i t i f e r i d a e o c c u r i n g i n E u r o p e . T h e U n i o n i d a e o f E u r o p e f i t i n t o a ( m o d i f i e d ) s y s t e m o f D a v i s & Füller ( 1 9 8 1 ) , a c c o r d i n g t o w h i c h A n o d o n t a a n a t i n a ( L . 1 7 5 8 ) , A ^ C Y g n e a ( L . 1 7 5 8 ) a n d P s e u d a n o d o n t a c o m p l a n a t a (Rossmässler 1 8 3 5 ) a r e A n o d o n t i n a e , l i t t o r a l i s i s a n A r a b l e m i n a e : G o n i d e i n i , a n d M, CPmprßSSa i s a n A m b l e m i n a e : P l e u r o b e m i n i , r e s p e c t i v e l y . P o t o m i d a a n d M i c r o c o n d v l a e a b o t h h a v e l a m p s i l i n e g l o c h i d i a

  3. 3 8 ( h o o k l e s s , s e m i c i r c u l a r ) k e p t i n f o u r m a r s u p i a . M a r s u p i a l g i l l s e p t a a r e o p e n i n t h e f i r s t s p e c i e s a n d c l o s e d i n t h e s e c o n d . I k i _ i i 2 . h a s t o b e p l a c e d i n t o a s u b f a m i l y o f i t s o w n , U n i o n i n a e ( H e a r d & G u c k e r t , 1 9 7 0 ) , b e c a u s e o f i t s a n o d o n t i n e g l o c h i d i a . G e n e t i c a l s t u d i e s s u g g e s t t h a t U n i o p i c t o r u m ( L . 1 7 5 8 ) a n d I L _ m a n c u s ( L a m a r c k 1 8 1 9 ; = e l o n g a t u l u s ^ m a y b e c o n s i d e r e d a s s u b s p e c i e s o r s i b l i n g s p e c i e s ( N e i ' s D = 0 . 1 6 , m a x i m u m v a l u e ; B a d i n o e t a l . , i n p r e s s ) . I L . c r a s s u s ( P h i l i p s s o n 1 7 8 8 ) i s c l o s e l y r e l a t e d t o t h e m ( D = 0 . 1 7 ) , w h i l e I L _ t u m i d u s d i f f e r s c o n s i d e r a b l y ( D = 2 . 5 0 ) . G e n e t i c d i s t a n c e i s l o w a m o n g a l l A n o d o n t i n a e ( D = 0 . 6 9 ) , b e i n g s m a l i e s t b e t w e e n ^ a n a t i n a a n d c v g n e a ( D = 0 . 5 1 ) . D i a g n o s t i c l o c i g i v e e v i d e n c e f o r a " c r y p t i c " s p e c i e s o f A n o d o n t a i n t h e m e d i t e r r a n e a n r e g i o n . I n t r o d u c e d w o o d i a n a ( L e a 1 8 3 4 ) i s f a r m o r e p o l y m o r p h i c t h a n n a t i v e s p e c i e s w i t h m a n y a d d i t i o n a l a l l e l e s . C o n c l u s i o n s E u r o p e a n n a i a d e s b e l o n g t o f o u r d i f f e r e n t c l a d e s , o n e o f w h i c h i s e x c l u s i v e l y p a l e a r c t i c ( U n i o n i n a e ) . T h e A m b l e m i n a e a r e v e r y p o o r i n s p e c i e s n u m b e r : o n e s p e c i e s f o r e a c h o f t h e t w o t r i b e s G o n i d e i n i a n d P l e u r o b e m i n i . G e n e t i c s t u d i e s s h o w r e c e n t o r s t i l l c o n t i n u i n g s p e c i a t i o n i n U n i a a n d A n o d o n t a . L i t e r a t u r e c i t e d B a d i n o , G., C e l e b r a n o , G. & N a g e l , K . - O . , i n p r e s s . U n i , Q elongatulüS a n d U n i f l . p i c t g r u p ( B i v a l v i a : U n i o n i d a e ) : m o l e c u l a r g e n e t i c s a n d r e l a t i o n s h i p s o f I t a l i a n a n d C e n t r a l E u r o p e a n p o p u l a t i o n s . B o l l . M u s . R e g . S e i . N a t . . T o r i n o . 9 . D a v i s , G.M, 1 9 8 3 . R e l a t i v e r o l e s o f m o l e c u l a r g e n e t i c s , a n a t o m y , m o r p h o m e t r i c s a n d e c o l o g y i n a s s e s s i n g r e l a t i o n s h i p s a m o n g N o r t h A m e r i c a n U n i o n i d a e ( B i v a l v i a ) . I n O x f o r d , G . S . & R o l l i n s o n , D. ( e d s . ) : P r o t e i n p o l y m o r p h i s m : a d a p t i v e zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA a n d . t a x o n o m i c s i g n i f i c a n o e : 1 9 3 - 2 2 2 . L o n d o n , A c a d e m i c P r e s s . D a v i s , G.M. & Füller, S . L . H . 1 9 8 1 . G e n e t i c r e l a t i o n s h i p s a m o n g r e c e n t U n i o n a c e a ( B i v a l v i a ) o f N o r t h A m e r i c a . M a l a c o l o g i a . 2 0 : 2 1 7 - 2 5 3 . H e a r d , W.H. & G u c k e r t , R . H . 1 9 7 0 . A r e - e v a l u a t i o n o f t h e r e c e n t U n i o n a c e a ( P e l e c y p o d a ) o f N o r t h A r o e r i c a M a l a c o l o g i a . 1 0 : 3 3 3 - 3 5 5 . K a t , P.W. 1 9 8 3 . C o n c h i o l i n l a y e r s a m o n g t h e U n i o n i d a e a n d M a r g a r i t i f e r i d a e ( B i v a l v i a ) : M i c r o s t r u c t u r a l c h a r a c t e r i s - t i c s a n d t a x o n o m i c i m p l i c a t i o n s . MalapologÄap 2 4 : 2 9 8 - 3 1 1 . N a g e l , K . - O . 1 9 8 8 . A n a t o m i s c h e , m o r p h o l o g i s c h e u n d b i o c h e m i - s c h e U n t e r s u c h u n g e n z u r T a x o n o m i e u n d S y s t e m a t i k d e r e u r o - päischen U n i o n a c e a ( M o l l u s c a : B i v a l v i a ) . P h D t h e s i s : l O O p p . K a s s e l . S m i t h , D.G. & W a l l , W.P. 1 9 8 4 . T h e M a r g a r i t i f e r i d a e r e i n s t a - t e d : A r e p l y t o D a v i s & Füller ( 1 9 8 1 ) : " G e n e t i c r e l a t i o n - s h i p s a m o n g N o r t h A m e r i c a n U n i o n i d a e " . Q c c . p a p . M o l l u s k s ^ 6 4 : 3 2 1 - 3 3 0 .

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