Saurichthys aldae, Tintori and Lombardo, 2007, Tintori and Lombardo, 2007

López-Arbarello, Adriana, Sun, Zuo-Yu, Sferco, Emilia, Tintori, Andrea, Xu, Guang-Hui, Sun, Yuan-Lin, Wu, Fei-Xiang & Jiang, Da-Yong, 2011, New species of Sangiorgioichthys Tintori and Lombardo, 2007 (Neopterygii, Semionotiformes) from the Anisian of Luoping (Yunnan Province, South China), Zootaxa 2749, pp. 25-39 : 27

Sangiorgioichthys aldae Tintori and Lombardo, 2007

Holotype. MCSNIO P457

Paratypes. MCSNIO P458, P665

Referred material. LVC 3878-6-10579

Diagnosis (emended from Tintori and Lombardo 2007). Species of Sangiorgioichthys distinguished by the following combination of features: a single pair of extrascapular bones; edentulous maxilla; dentition concentrated in the anterior region of the mouth; supramaxilla short, less than half of the length of the maxilla; several small suborbital bones posterior to the orbit, the most dorsal elements arranged in two rows; flank scales with straight posterior margins, except for a few denticles randomly arranged on the different part of the body; 30 transversal rows of scales along the lateral line.

Type locality. The Kalkschieferzone of Rio Vallone (Viggiù, Varese, Italy), just above the aqueduct track.

Type horizon. Uppermost Ladinian of the Kalkschieferzone of the Meride Limestone (Ladinian, late Middle Triassic; Furrer 1995).

Geographic distribution. Rio Vallone and Ca’del Frate (Viggiù, Varese, Italy), Perledo ( Italy), and Val Mara D (Meride, Canton Ticino, Switzerland).

Stratigraphic distribution. Kalkschieferzone of the Meride Limestone and Perledo Member of the Varenna Formation (both Ladinian, late Middle Triassic).