| Glass sponges (Hexactinellida)
Glass sponges - class Hexactinellida are typical by tri-axial (triaxonn) spicules, composed of opal (in the fossil record by SiO2).
Author: Radek Vodrážka
| Hillendia Reid, 1964 | AD. Poukarová, H. & Bubík, M. (2012), Bc. práce(2012), Příloha č. 9, obr. 3 | | | HP36 | | Isoraphinia texta | | | | p2536 | | Isoraphinia texta | | | | p4348 | | Isoraphinia texta | | | | p4215 | | Laocoetis vulgata | | | | p3973 | | Leiostracosia angustata | | | | p4122 | | Leiostracosia angustata | | | | p4319 | | Leiostracosia angustata | | | | p4295 | | Leiostracosia angustata | | | | p4316 | | Leiostracosia antulata | | | | p4306 | | Leptophragma fragilis | | | | p4326 | | Leptophragma fragilis | | | | p4325 | | Leptophragma fragilis | | | | p2535 | | Leptophragma | | | | p4350 | | Leptophragma | | | | p4184 | | Lopanella depressa | | | | p4490 | | Lychniscosa indet. | AD. Poukarová, H. & Bubík, M. (2012), Bc. práce(2012), Příloha č. 8, obr. 12 | | | HP33 | | Lychniscosa indet. | AD. Poukarová, H. & Bubík, M. (2012), Bc. práce(2012), Příloha č. 8, obr. 11 | | | HP32 | | Pleurostoma bohemicum | | | | p4044 | | Pleurostoma bohemicum | | | | p4176 |
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