Heliodiscus sp. (young form)
(Sagami Bay)
Euchitonia furcata (Ehrenberg) (young form)
(Sagami Bay)
Spongodiscidae gen. et sp. indet.
(Sagami Bay)
Stylodictya sp. (young form)
(fossil)
Heliodiscus sp. (young form)
(Sagami Bay)
Rads.
(Sagami Bay)
Rads.
(Sagami Bay)
Rads.
(Sagami Bay)
Lithomelissa sp.
(Sagami Bay)
Eucyrtidium profundissimum Ehrenberg
(Sagami Bay)
Siphocampe arachnea (Ehrenberg)
(fossil)
Botryostrobus auritus (Ehrenberg)
(Sagami Bay)
Rads.
(Sagami Bay)
Polysolenia spinosa Haeckel
(Sagami Bay)
Cycladophora nakasekoi Motoyama
(fossil)
Cornutella profunda Ehrenberg
(fossil)
Dimelissa thoracites (Haeckel)
(fossil)
Collosphaera invaginata (Haeckel)
(Sagami Bay)
Tetrapyle octacantha
(Sagami Bay)
Dimelissa aff. thoracites (Haeckel)
(Sagami Bay)
Didymocyrtis tetrathalamus tetrathalamus (young form)
(Sagami Bay)
Pseudocubus obeliscus (?)
(Sagami Bay)
Pseudocubus obeliscus
(Sagami Bay)
Rads.
(Sagami Bay)
Rads.
(Sagami Bay)
Rads.
(Sagami Bay)
Didymocyrtis tetrathalamus tetrathalamus
(Sagami Bay)
Didymocyrtis tetrathalamus tetrathalamus
(Sagami Bay)
Ceratocyrtis sp.
(Sagami Bay)
Rads.
(Sagami Bay)
Rads.
(Sagami Bay)
Rads.
(Sagami Bay)
Botryostrobus auritus (Ehrenberg)
(Sagami Bay)
Didymocyrtis tetrathalamus tetrathalamus (young form)
(Sagami Bay)
Eucecryphalus elisabethae (Haeckel)
(Sagami Bay)
Tetrapyle octacantha
(Sagami Bay)
Rads.
(Sagami Bay)
Pterocanium praetextum Ehrenberg
(Sagami Bay)
Rads.
(Sagami Bay)
Tetrapyle octacantha
(Sagami Bay)
Spongoliva ellipsoides Popofsky
(Sagami Bay)
Heliodiscus echiniscus Haeckel
(Sagami Bay)
Didymocyrtis tetrathalamus tetrathalamus
(Sagami Bay)
Rads.
(Sagami Bay)
Siphocampe arachnea (Ehrenberg)
(fossil)
Rads.
(fossil)
Cycladophora cosma ?
(fossil)