Where: Los Angeles County, California (33.7° N, 118.3° W)
When: Pleistocene (2.6 - 0.0 Ma)
Environment/lithology: marine; lithology not reported
Size classes: macrofossils, mesofossils
• Deadman Island- one right immovable finger (P. tuberculata); three movable fingers and a right manus with fixed finger attached (S. acutifrons); one right movable finger (Chorilia sp.); one right merus and one piece of a left manus (M. idae); 6 moveable fingers (H. nudus); 3 movable and 3 immovable fingers (H. oregonensis); more than 25 fingers, 8 palms and 1 wrist (L. diegensis); 17 movable fingers (L. leucomanus); 4 movable and 2 immovable fingers (C. productus); 2 movable fingers (R. branneri); 13 movable fingers, 1 immovable finger (R. jordani); 3 movable and 1 immovable finger (M. gracilis); 6 arms (R. ornata); 3 hands with fixed finger attached (one of which is the holotype), and 6 arms (R. pleistocenica); 16 arms (R. pleistocenica); one right movable finger or dactylus, holotype (D. arnoldi); one propodus of right cheliped (P. granosimanus); one left immovable finger, three right movable fingers (N. gigas);
Collected by Arnold; reposited in the USNM
• R. jordani (Cat. No. 353387, USNM); R. pleistocenica (Cat. No. 353346); D. arnoldi, holotype in Stanford University;
Primary reference: M. J. Rathbun. 1926. The fossil stalk-eyed Crustacea of the Pacific slope of North America. United States National Museum Bulletin 138:1-155 [C. Schweitzer/S. Yost/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 138719: authorized by Carrie Schweitzer, entered by Samantha Yost on 26.01.2013, edited by Mark Uhen
Creative Commons license: CC0 (CC0)
Taxonomic list
Polyplacophora | |
Bivalvia | |
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Malacostraca | |
Dardanus arnoldi Rathbun 1926 hermit crab | |
Pagurus granosimanus Stimpson 1862 hermit crab | |
Hemigrapsus nudus Dana 1851 crab
Hemigrapsus oregonensis Dana 1851 crab | |
Randallia ornata Randall 1839 crab
Randallia pleistocenica Rathbun 1926 crab | |
Mesorhoea idae Rathbun 1926 crab | |
Loxorhynchus crispatus Stimpson 1857 spider crab
Scyra acutifrons Dana 1851 spider crab
Chorilia sp. Dana 1851 spider crab
Pugettia producta Randall 1839 shield back kelp crab
Pugettia richii Dana 1851 spider crab | |
Pyromaia tuberculata Lockington 1877 spider crab | |
Lophopanopeus leucomanus Lockington 1876 crab
Lophopanopeus diegensis Rathbun 1900 crab | |
Cancer productus Randall 1839 crab
Romaleon jordani Rathbun 1900 crab
Romaleon branneri Rathbun 1926 crab
Metacarcinus gracilis Dana 1852 crab | |
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Bivalvia | |
"Pecten (Chlamys) jordani" = Chlamys rubida1
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"Pecten (Propeamusium) riversi" = Parvamussium alaskense1
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Polyplacophora | |
"Ischnochiton (Lepidozona) cooperi" = Lepidozona cooperi2, "Ischnochiton (Lepidozona) cf. sinudentatus" = Lepidozona scrobiculata2, "Ischnochiton (Lepidozona) mertensii" = Lepidozona mertensii2, "Ischnochiton (Stenoplax) fallax" = Stenoplax fallax2, "Ischnochiton (Stenoplax) conspicuus" = Stenoplax conspicua2, "Ischnochiton (Stenoplax) magdalenensis" = Stenoplax magdalenensis2, "Ischnochiton (Stenoplax) acrior" = Stenoplax magdalenensis2
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Placiphorella velata2, Katharina tunicata2, Mopalia cf. sinuata2, Mopalia muscosa2, Mopalia hindsii2, Mopalia acuta2, Mopalia ciliata2, Mopalia lignosa2
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