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Table 3 General description of rajid eggcases

From: Morphological descriptions of the eggcases of skates (Rajidae) from the central-western Mediterranean, with notes on their distribution

Species Shape Anterior horns Posterior horns Anterior apron Posterior apron Keels Fresh color
D. nidarosiensis Long rectangular Short Short and sturdy Straight and well developed Rounded and well developed Well evident
D. oxyrinchus Rectangular Short Short and sturdy Straight and well developed Rounded and well developed Well evident Shades of brown (PMS 4485, 1535), and greenish (PMS 3975)
L. melitensis Rectangular Long, thin and intersecting Moderate and thin Rounded and moderate Rounded and narrow Absent Yellowish (PMS 110) with brown shades (PMS 125)
R. asterias Rectangular Moderate and thin Moderate and thin Straight Rounded and narrow Evident Yellowish (PMS 110) with brown shades (PMS 125)
R. brachyura Rectangular Long and thin Short and sturdy Straight and well developed Rounded and well developed Well evident Reddish brown (PMS 469) and greenish (PMS 399)
R. clavata Rectangular almost square Moderate and thin Short and sturdy Straight and moderate Rounded and moderate Well evident Reddish brown (PMS 1395, 139), yellowish brown (PMS 119)
R. miraletus Rectangular Short and thin Short and sturdy Straight Rounded and narrow Absent Brown (PMS 161) and amber (PMS 138)
R. polystigma Rectangular Moderate and thin Moderate and sturdy Straight and moderate Rounded and narrow Narrow Brown (PMS 133, 161) and yellowish (PMS 126)