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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)