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Table 1 Morphometric and meristic data of the two specimens of Promyliobatis gazolai

From: Mosaic of plesiomorphic and derived characters in an Eocene myliobatiform batomorph (Chondrichthyes, Elasmobranchii) from Italy defines a new, basal body plan in pelagic stingrays

  MCSNV VII.B.90/91 MSNPV 14620
Measurements mm % DW mm % DW
Total length ? ? 497.3 220.2
Disc length 164.0 70.3 134.9 60.8
Disc width 233.3 100.0 225.8 100.0
Tail length ? ? 375.6 166.3
Preoral length 23.1 9.9 ? ?
Mouth-scapulocoracoid distance 64.5 27.7 69.5 30.8
Scapulocoracoid width 48.5 20.8 46.1 20.4
Pelvic girdle width 40.2 17.2 42.9 19.0
Sting length 50.8 21.8 51.5 22.8
Pelvis-tip of tail length ? ? 333.2 147.6
Pre-sting length 393.9a 168.8 a 319.9 141.7
Distance from tip of disc to max width disc 82.8 35.5 62.5 27.7
Prepelvic distance 136.6 58.6 130.1 57.6
Prescapular distance (head length) 64.8 27.8 80.4 35.6
Pelvic fin length 47.6 20.4 ? ?
Pectoral-fin insertion to sting 240.6 a 103.1 a 181.3 80.3
Meristics
 Propterygial radials 35   ?  
 Mesopterygial radials 12   10  
 Metapterygial radials 40   ?  
 Total pectoral radials 87   ?  
 Pelvic radials 22–23   ?  
 Vertebrae from scapulocoracoid to pelvic girdle 22   20  
 Vertebrae from pelvic girdle to sting ?   148  
 Vertebrae posterior to sting ?   50  
 Total vertebrae ?   218  
 Sting serrations per side ?   25  
  1. a Data might not be reliable because the tail sting of MCSNV VII.B.90/91 appears to have been positioned incorrectly during the historical restoration of the slab