| Porifera | Demospongiae | Poecilosclerida |
| Cladorhizidae | Asbestopluma | rickettsi |
| Genus | Species |
BI-2023-19, AT50-12, #MethaneFootprints, NSF OCE-2048481
1
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Ethanol: subsample of apex (2 ml); one branch as voucher (50 ml). Canon T6i with Leica S8Apo +0.63x lens: x1.25: 3693. Canon M6: 301..348. Field notes: Asbestopluma V-shaped with two branches, likely A. rickettsi; 5-6 longitudinal rows; ?eggs on both branches; tube-building amphipods in mud tubes at base; one branch used for shipboard studies and isotopes.
AD5192 | BT1
La Jolla Reef
32.8134° N
117.4079° W
456.0 m
July 16, 2023
HOV Alvin
R/V Atlantis
Charlotte Seid | Devin Vlach
Charlotte Seid
EtOH 95%
EtOH 50%
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AD5192-BT1. Biotube 1. Habitat: carbonate. Field notes: "White forked (or double?) cladorhizid sponge (Asbestopluma) on carbonate; also grabbed adjacent white Psolus sea cucumber". Pilot: Danik Forsman. Cruise: AT50-12. Details reflect consensus. Seid handwritten dive log: depth 456.16 m; lat, lon: 32.813411, -117.407907. Vlach Sealog entries: 1) altitude 3.239 m; depth 456.189 m; lat, lon 32.81342414, -117.4079275; 2) altitude 2.536 m; depth 456.113 m; lat, lon 32.81343673, -117.4079206.