Asaphida

Dionide mareki

Order Asaphida / Superfamily Trinucleoidea / Family Dionididae

Darriwilian (Middle Ordovician)France, Portugal

Dionide mareki — photo 1 — Photo 1 · Aphrodite, goddess of love and beauty, and consort of Zeus; the rest of the etymology continues: the name was replaced because Dione was preoccupied. Holotype IGR 2361 (France; Henry et al., 1978) Cephalic restoration (Henry et al., 1978) (Portugal; Secher 2024) (Portugal; Henry et al., 1978)

Dionide mareki — photo 2 — Photo 2 · Aphrodite, goddess of love and beauty, and consort of Zeus; the rest of the etymology continues: the name was replaced because Dione was preoccupied. Holotype IGR 2361 (France; Henry et al., 1978) Cephalic restoration (Henry et al., 1978) (Portugal; Secher 2024) (Portugal; Henry et al., 1978)

Dionide mareki — photo 3 — Photo 3 · Aphrodite, goddess of love and beauty, and consort of Zeus; the rest of the etymology continues: the name was replaced because Dione was preoccupied. Holotype IGR 2361 (France; Henry et al., 1978) Cephalic restoration (Henry et al., 1978) (Portugal; Secher 2024) (Portugal; Henry et al., 1978)

Dionide mareki — photo 4 — Photo 4 · Aphrodite, goddess of love and beauty, and consort of Zeus; the rest of the etymology continues: the name was replaced because Dione was preoccupied. Holotype IGR 2361 (France; Henry et al., 1978) Cephalic restoration (Henry et al., 1978) (Portugal; Secher 2024) (Portugal; Henry et al., 1978)

Classification

Order Asaphida / Superfamily Trinucleoidea / Family Dionididae

Genus

Dionide Barrande, 1847

Genus author

Barrande J.

Genus etymology

Originally Dione Barrande, 1846, a junior homonym replaced by Dionide. Dione, a Greek goddess, mother of

Species

D. mareki Henry & Romano, 1978

Species author

Henry J.-L. & Romano M.

Species etymology

Marek, the species is dedicated to Dr. L. Marek of Prague

Age

Darriwilian (Middle Ordovician)

Distribution

France, Portugal

Diagnosis

Compared with the type species Dionide formosa, this species has effaced genal ridges, a coarser cephalic border, more anteriorly positioned posterior ends of the facial sutures, a narrower axis, and fewer pygidial axial rings and pleural ribs. fewer.