Bryozoan faunas at the Tortonian-Messinian transition. A palaeoenvironmental case study from Crete Island, eastern Mediterranean Author Moissette, Pierre National & Kapodistrian University of Athens, Faculty of Geology and Geoenvironment, Department of Historical Geology and Paleontology 15784, Athens (Greece) and CR 2 P (CNRS, MNHN, UPMC, Sorbonne Université), Département Origines et Évolution, UMR 7207, Muséum national d’Histoire naturelle, case postale 38, 57 rue Cuvier, F- 75231 Paris cedex 05 (France) pmoissette@geol.uoa.gr Author Antonarakou, Assimina National & Kapodistrian University of Athens, Faculty of Geology and Geoenvironment Department of Historical Geology & Paleontology, 15784, Athens (Greece) aantonar@geol.uoa.gr Author Kontakiotis, George National & Kapodistrian University of Athens, Faculty of Geology and Geoenvironment Department of Historical Geology & Paleontology, 15784, Athens (Greece) gkontak@geol.uoa.gr Author Cornée, Jean-Jacques Géosciences Montpellier, Université de Montpellier Université des Antilles, CNRS, Pointe à Pitre, Guadeloupe, FWI (France) jean-jacques.cornee@gm.univ-montp2.fr Author Karakitsios, Vasileios National & Kapodistrian University of Athens, Faculty of Geology and Geoenvironment Department of Historical Geology & Paleontology, 15784, Athens (Greece) vkarak@geol.uoa.gr text Geodiversitas 2021 2021-12-16 43 26 1365 1400 journal article 20894 10.5252/geodiversitas2021v43a26 f8cedc0a-01dc-4bb0-855b-18064d237655 1638-9395 5796571 urn:lsid:zoobank.org:pub:14A6956D-54AD-48D2-9C5E-BA380EDACAA4 Tessaradoma boreale ( Busk, 1860 ) ( Fig. 11D ) Onchopora borealis Busk, 1860: 213 , pl. 28, figs 6-7. Porina borealis – Hincks 1880: 229 , pl. 31, figs 4-6. — Neviani 1891: 120 , pl. 4, figs 4-5. Tessaradoma boreale – Gautier1962: 222 . — Hayward & Ryland 1979: 242 , text-fig. 104. — Moissette 1988: 123 , pl. 20, fig. 5. — Zabala & Maluquer 1988: 142 , text-fig. 343. — El Hajjaji 1992: 225 , pl. 13, fig. 2. — Pouyet & Moissette 1992: 53 , pl. 7, fig. 3. — Moissette & Spjeldnaes 1995: 790 , pl. 3, fig. 5. OCCURRENCE. — Middle Miocene: France . Late Miocene: Morocco ( El Hajjaji 1992 ), Algeria ( Moissette 1988 ), Calabria . Pliocene: northern Italy , Sicily ( Pouyet & Moissette 1992 ). Pleistocene: Sicily , Calabria ( Rosso 2005 ), Rhodes ( Moissette & Spjeldnaes 1995 ), Karpathos ( Moissette et al. 2017 ). Recent: Atlantic (western, but mostly eastern), Arctic, Mediterranean. T. boreale is predominantly a deep-water ( Cheetham 1972 ), cryophilic (max. 13° C) species ( 60-3500 m in the Atlantic, 50-1300 m in the Mediterranean). DESCRIPTION Vinculariiform colony. Slender cylindrical branches. Oval, elongate zooids arranged in alternating series. Frontal smooth and finely striated, with a row of marginal pores. A spiramen is situated proximally to the semicircular aperture, which bears a short tubular peristome. Avicularia (1-3) and ovicell not observed. REMARKS T. gracile (Sars) is generally considered as a synonym of T. boreale .