Data about Pycnogonida

TraitBank assembles data records from many providers. Select a row for more details about the record, or search TraitBank.

Evolution and Systematics

 
first appearance (older bound)
Additional detail
433.4 million years ago
The Paleobiology Database  
 
first appearance (younger bound)
Additional detail
427.4 million years ago
The Paleobiology Database  
 
last appearance (older bound)
Additional detail
409.1 million years ago
The Paleobiology Database  
 
last appearance (younger bound)
Additional detail
402.5 million years ago
The Paleobiology Database  

Conservation

 
extinction status
Additional detail
extant
The Paleobiology Database  

Notes

 
percent species currently described min
Additional detail
37
Appeltans et al, 2012  
Additional detail
53
Appeltans et al, 2012  
 
percent synonyms
Additional detail
3
Appeltans et al, 2012  
 
described (accepted)
Additional detail
1,307
Appeltans et al, 2012  
 
total unknown species (expert opinion) min
Additional detail
1,179
Appeltans et al, 2012  
Additional detail
2,250
Appeltans et al, 2012  
 
undescribed species present in museum collections min
Additional detail
150
Appeltans et al, 2012  
Additional detail
500
Appeltans et al, 2012  
 
undiscovered morphospecies (not yet collected) min
Additional detail
979
Appeltans et al, 2012  
Additional detail
1,650
Appeltans et al, 2012  
 
undiscovered species (molecular cryptic) min
Additional detail
50
Appeltans et al, 2012  
Additional detail
100
Appeltans et al, 2012  
 
percent surveyed species not yet known to science
Additional detail
0.07
Appeltans et al, 2012  
Additional detail
0.14
Appeltans et al, 2012  
Additional detail
0.15
Appeltans et al, 2012  
Additional detail
0.17
Appeltans et al, 2012  
Additional detail
0.17
Appeltans et al, 2012  
Additional detail
0.19
Appeltans et al, 2012  
Additional detail
0.2
Appeltans et al, 2012  
Additional detail
0.23
Appeltans et al, 2012  
Additional detail
0.24
Appeltans et al, 2012  
Additional detail
0.3
Appeltans et al, 2012  
Additional detail
0.4
Appeltans et al, 2012  

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