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Caia Late Silurian age (around 430 to 420 million years agosporangia (spore-forming organs) which bear spinous emergences particularly at the distal ends. Spores are trilete and retusoid.[1] Hereford , England.
Cladistic analysis suggests that the genus may belong to the Horneophytopsida , a class of the polysporangiophytes , as it lacks vascular tissue and has branched stems bearing sporangia.[2] Horneophytopsida article.
References [ edit ]
^ Kenrick, Paul & Crane, Peter R. (1997), The Origin and Early Diversification of Land Plants: A Cladistic Study , Washington, D.C.: Smithsonian Institution Press, ISBN 978-1-56098-730-7
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R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Caia_(plant)&oldid=1183250524 " C a t e g o r i e s : ● S i l u r i a n p l a n t s ● P r e h i s t o r i c p l a n t g e n e r a ● P r i d o l i f i r s t a p p e a r a n c e s ● S i l u r i a n e x t i n c t i o n s ● P a l e o z o i c p l a n t s t u b s ● S i l u r i a n s t u b s H i d d e n c a t e g o r i e s : ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n i s d i f f e r e n t f r o m W i k i d a t a ● A r t i c l e s w i t h ' s p e c i e s ' m i c r o f o r m a t s ● A l l s t u b a r t i c l e s
● T h i s p a g e w a s l a s t e d i t e d o n 3 N o v e m b e r 2 0 2 3 , a t 0 3 : 1 3 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
