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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


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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

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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

  • 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

  • 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

  • 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

  • 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

  • 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 szyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

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

  • 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

  • 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

  • n l y

M a r g a r i t i f e r i d a e

  • 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

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SLIDE 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

  • 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 ,

  • n e
  • 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 :

  • 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

  • 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 ezyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

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 )

  • 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 )

  • 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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SLIDE 4

U N I T A S M A L A C O L O G I C A E L E V E N T H I N T E R N A T I O N A L M A L A C O L O G I C A L C O N G R E S S S i e n a , I t a l y , 3 0 t h A u g u s t - 5 t h S e p t e m b e r 1 9 9 2 A B S T R A C T S e d i t e d b y F o l c o G i u s t i & G i u s e p p e M a r \ g a r \ e l l i P u b l i s h e d o n b e h a l f o f Urütas M a l a c o l o g i c a l b y t h e U n i v e r s i t y o f S i e n a , I t a l y , J u n e 1 9 9 2 . P r i n t e d b y C e n t r o O f f s e t L e B a d e s s e ( M o n t e r i g g i o n i , S i e n a , I t a l y )

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