PBDB Taxon

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Actinomma

Protozoa - Actinommidae

Taxonomy

Actinomma was named by Haeckel (1862) [Sepkoski's age data: T Eo-m R]. It is extant.

It was assigned to Spumellaria by Sepkoski (2002); and to Actinommidae by Kiessling (1995), Sharma and Takahashi (2007).

Species

A. boreale, A. davisensis, A. frigida, A. interessanta, A. ishidai, A. leptodermum, A. longinggapensis, A. matsuokai, A. schaebenholzianum, A. siciliensis, A. tochidaniensis, A. verwirra

Species lacking formal opinion data

A. antarcticum, A. arcadophorum, A. boreale, A. delicatulum, A. leptodermum, A. leptodermum, A. medianum, A. popofskii

Synonyms

Actinomma schaebenholzianum was named by Rüst (1892). It is not extant.

It was considered a nomen dubium by Aitchison et al. (2017).

Synonymy list

Year	Name and author
1862	Actinomma Haeckel
1892	Actinomma schaebenholzianum Rüst
1995	Actinomma Kiessling
2002	Actinomma Sepkoski
2007	Actinomma Sharma and Takahashi p. 817

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Rank	Name	Author
—	Life
—	Eukaryota	()
class	Protozoa	Goldfuss 1820
subphylum	Sarcodina	Schmarda 1871
class	Reticularea	Lankester 1885

Rank	Name	Author
subclass	Radiolaria	(Müller 1858)
superfamily	Ethmosphaeracea	Haeckel 1862
family	Actinommidae	Haeckel 1862
genus	Actinomma	Haeckel 1862

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Actinomma Haeckel 1862

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Actinomma boreale Cleve 1899

†Actinomma davisensis Pessagno 1976

†Actinomma frigida Kiessling 1999

†Actinomma interessanta Kiessling 1999

†Actinomma ishidai Sashida and Uematsu 1996

Actinomma leptodermum Jørgensen 1899

†Actinomma longinggapensis Kiessling 1999

†Actinomma matsuokai Sashida and Uematsu 1996

†Actinomma siciliensis Kito and De Wever 1994

†Actinomma tochidaniensis Sashida and Uematsu 1996

†Actinomma verwirra Kiessling 1999

Invalid names: Actinomma schaebenholzianum Rüst 1892 [nomen dubium]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

silicap

Environment:

marinep

Locomotion:

passively mobilep

Life habit:

planktonicp

Diet:

omnivorep

Created:

2005-01-28 01:13:47

Modified:

2005-01-28 03:13:47

Source: p = phylum

Reference: Kiessling 1999

Age range

Maximum range based only on fossils: base of the Pelsonian to the top of the Holocene or 244.24000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 243.33 Ma

Collections (585 total)

Time interval	Ma	Country or state	Original ID and collection number
Pelsonian	244.24 - 243.33	Thailand	A. sp. (64512 64513 64514 64515 64517 64518)
Pelsonian	244.24 - 243.33	Thailand (San Kamphaeng)	A. sp. (220613 220614 220615 220616 220618 220619)
Early/Lower Toarcian	184.2 - 182.9	Slovenia	A. spp. (67146 67150 67151 67152 67154)
Early/Lower Toarcian	184.2 - 182.9	Japan	A. siciliensis (51710) A. sp. (124830)
Early/Lower Aalenian - Middle Aalenian	174.7 - 170.9	Japan	A. siciliensis (51711)
Late/Upper Aalenian	174.7 - 170.9	Japan	A. siciliensis (51712 54166)
Late/Upper Aalenian	174.7 - 170.9	Japan (Kochi)	A. sp. A2 (66916)
Early/Lower Bajocian	170.9 - 168.6	Japan	A. siciliensis (51713)
Bajocian	170.9 - 168.2	Spain	A. siciliensis (131816)
Middle Bathonian	168.2 - 165.3	Switzerland	A. interessanta (66939)
Callovian	165.3 - 161.5	Italy	A. sp. B, A. siciliensis (47163)
Oxfordian	161.5 - 154.8	Italy	A. sp. B (47168)
Middle Oxfordian - Early/Lower Kimmeridgian	161.5 - 152.21	Slovakia	A. siciliensis (53847 53853 53858)
Late/Upper Kimmeridgian	152.21 - 149.2	Antarctica	A. sp. A, A. verwirra, A. interessanta (46961)
Late/Upper Kimmeridgian	152.21 - 149.2	Italy	A. sp. B (47166)
Late/Upper Kimmeridgian	152.21 - 149.2	Germany (Baden-Württemberg)	A. sp. (154138)
Late/Upper Kimmeridgian	152.21 - 149.2	Antarctica (Antarctic Peninsula)	A. sp. A, A. verwirra (9956) A. verwirra, A. frigida (51836)
Early/Lower Tithonian	149.2 - 145.06	Antarctica	A. frigida (46972) A. interessanta (46967) A. longinggapensis (46966) A. sp. A, A. sp. B, A. sp. C, A. verwirra, A. frigida, A. longinggapensis (46964) A. sp. A, A. sp. B, A. verwirra, A. interessanta, A. frigida, A. longinggapensis (46962) A. sp. A, A. sp. C (51827) A. sp. A, A. sp. C, A. verwirra, A. interessanta, A. frigida, A. longinggapensis (46971) A. sp. C, A. longinggapensis (51826) A. verwirra (46963) A. verwirra, A. interessanta, A. frigida, A. longinggapensis (46965)
Early/Lower Tithonian	149.2 - 145.06	Antarctica (Antarctic Peninsula)	A. interessanta (51838)
Early/Lower Tithonian	149.2 - 145.06	Germany (Bayern)	A. sp. (83858)
Early/Lower Tithonian	149.2 - 145.06	Germany (Bavaria)	A. sp. A (83083)
Early/Lower Tithonian	149.2 - 145.06	Italy	A. sp. B (47167)
Tithonian	149.2 - 143.1	Japan	A. ishidai, A. matsuokai (53906) A. sp. A, A. sp. B, A. sp. C, A. ishidai, A. matsuokai, A. tochidaniensis (53905)
Late/Upper Tithonian	145.06 - 143.1	Japan	A. ishidai, A. matsuokai, A. tochidaniensis (131673)
Late/Upper Tithonian	145.06 - 143.1	Austria	A. sp. A, A. sp. B (51204)
Late/Upper Tithonian - Early/Lower Berriasian	145.06 - 141.0	Austria	A. sp. A (51208)
Late/Upper Tithonian - Berriasian	145.06 - 137.05	Germany	A. sp. B (47169)
Early/Lower Berriasian	143.1 - 141.0	Philippines	A. sp. 4, A. sp. 1, A. sp. 2, A. matsuokai, A. tochidaniensis (51153)
Berriasian	143.1 - 137.05	Austria	A. sp. B (51201 51213)
Berriasian	143.1 - 137.05	Oman	A. sp. A (47174) A. sp. E (47172 47175 47176)
Santonian - Early/Lower Campanian	85.7 - 72.2	Russian Federation (Tambov)	A. davisensis (95158 95159)
Miocene	23.04 - 5.333	North Pacific	A. sp. (266893 266894 266895 266896)
Burdigalian - Langhian	20.45 - 13.82	Japan	A. sp. (236002)
Zanclean	5.333 - 3.6	North Pacific	A. boreale (261147)
Pliocene	5.333 - 2.58	North Pacific	A. delicatulum (266564 268114 268117) A. leptodermum (256987) A. sp. (262424 262425 262436 266890 266891 266892)
Pliocene - Pleistocene	5.333 - 0.0117	North Pacific	A. boreale (247888)
Neodenticula koizumii - Neodenticula kamtschatica	3.665 - 2.65	North Pacific	A. leptodermum, A. boreale (250539 250540)
Piacenzian	3.6 - 2.58	North Pacific	A. boreale (260548 261125 261126 261127 262148 262149 262150 270054 270058 270060 270061) A. medianum (261130 261135)
Gelasian	2.58 - 1.8	North Pacific	A. boreale (261118 261121 261123)
Early/Lower Pleistocene	2.58 - 0.774	North Pacific	A. leptodermum, A. delicatulum (261440)
Pleistocene	2.58 - 0.0117	North Pacific	A. antarcticum (260044 260046) A. arcadophorum, A. medianum (253647) A. boreale (250999 260032 260033 260041 260042 260043 260854 260859 260863 260866 267023 269935 269937 269938 269944 269946 269947 269949 269951 269952 269953 269954 269955 269956 269957 269958 269959 269960 269962 269963 269964 269965 269966 269967 269968 269969 269971 269973 269974 269975 269976 269977 269979 269980 269981 269982 269983 269984 269985 269986 269987 271988 271989 271991 271992 271993 271994 271998 272005 272009 272010 272011 272012 272013 272014 272015 272017 272020 272021 272023 272024 272025 272026 272027 272028) A. boreale, A. medianum (269943) A. delicatulum (266534 266543 266547 266548 266552 267608 268105 268107) A. leptodermum (242474 250995 250998 256982 260035 260039 266536 266539 266540 266542 266546 267603 267605 267606 268100 268101 268102 268106 268113) A. leptodermum, A. boreale (247882 256986 258433) A. leptodermum, A. delicatulum (242473 242475 242476 242477 242479 266533 266535 266537 266538 266541 267594 267595 267598 267599 267600 267604 268103 268104 268109 268112) A. medianum (248425 271990) A. medianum, A. boreale (260860 260861 260862 260864 267022)
Pleistocene	2.58 - 0.0117	Southern Ocean	A. leptodermum (247616 247619 250735 250741) A. leptodermum, A. boreale, A. leptodermum (252110) A. popofskii (249974)
Pleistocene - Holocene	2.58 - 0.0	North Pacific	A. leptodermum (268099)
Quaternary	2.58 - 0.0	North Pacific	A. boreale (272740 272746 272748 272749) A. delicatulum (260312 260315 260322 260670 260671 260831 260835 260847 261417 261424 261761 261764 261767 261768 261769 261937 261940 261945 262285 265957 267666 267669 267671) A. delicatulum, A. leptodermum (260313 260314 260316 260320 260321 261419 261420 261421 261422 261425 261758 261759 261762 261763 261766 261935 261938 261941 261942 261943 261948 267660 267665 267670) A. leptodermum (260318 260661 260665 260668 260672 260677 260678 260829 260845 261418 261426 261760 261765 261889 261891 261936 261939 262277 262282 262287 262295) A. leptodermum, A. delicatulum (260659 260660 260662 260663 260666 260667 260669 260673 260675 260679 260680 260683 260684 260824 260825 260826 260827 260828 260830 260832 260833 260834 260836 260838 260840 260841 260842 260844 260846 261888 261890 261893 261894 261895 261896 262274 262276 262278 262279 262281 262283 262284 262288 262289 262290 262291 262293 262294)
Actinocyclus oculatus	2.0 - 1.1	North Pacific	A. leptodermum, A. boreale (250536)
NN19	1.9 - 0.42	North Pacific	A. sp. (266889)
Calabrian	1.8 - 0.774	North Pacific	A. boreale (260480 260481 260516 260518 260519 260521 260523 260524 261092 261093 261094 261095 261096 261098 261099 261101 261586 261588 261590 262104 262105 262106 262108 262109 262110 262111 262112 262121 262122 262125 262126 266904 268009 268010 269842 269843 269844 269849 269850 269851 269853 269857 269858 269859 269860 269861 269863 269864 269865 269866 269870 269871 269873 269874 269875 269876 269878 269879 269880 269882 269884 269891 269892 269894 269895 269898 269899 269900 269901 269902 269990 269992 269995 269996 269997 269998 269999 270000 270001 270002 270003 270004 270007 270008 270010 270011 270012 270014 270015 270017 270018 270019 270020 270021 270022 270023 270024 270025 270026 270029 270033 272629 272630 272633 272634 272636 272637 272638 272639 272640 272641 272642 272643 272644 272645 272647 272648 272649 272650 272651 272652 272653 272654 272655 272656 272657 272658 272659 272661 272663 272705 272707 272721 272727 272730) A. boreale, A. medianum (269989) A. medianum (269991) A. medianum, A. boreale (266905 272628)
C1r.2r	1.187 - 1.071	North Pacific	A. boreale (266064)
C1r.2r - Jaramillo	1.187 - 0.99	North Pacific	A. sp. (265541 265542)
Jaramillo	1.071 - 0.99	North Pacific	A. sp. (265539 265540)
Jaramillo - Matuyama	1.071 - 0.773	North Pacific	A. sp. (265536)
Matuyama	0.99 - 0.773	North Pacific	A. sp. (265534)
Middle Pleistocene	0.774 - 0.129	North Pacific	A. delicatulum (261435) A. leptodermum (261434 261437) A. leptodermum, A. delicatulum (261430 261432 261433 261436 261438)
Middle Pleistocene	0.774 - 0.129	Japan	A. boreale, A. leptodermum (233640 233708 233709 233710 233711 233712)
Middle Pleistocene - Late/Upper Pleistocene	0.774 - 0.0117	Japan	A. boreale, A. leptodermum (233713)
Brunhes	0.773 - 0.0	North Pacific	A. boreale (266062)
NN20	0.42 - 0.29	North Pacific	A. boreale, A. delicatulum (259778) A. delicatulum (259779) A. leptodermum, A. boreale (257521 257522 257523 257524 257525 257526 257527)
NN21	0.29 - 0.0	North Pacific	A. boreale (257512 259773 269988 272703) A. boreale, A. delicatulum (259772 259774 259775 259776 259777) A. leptodermum, A. boreale (257510 257511 257513 257514 257515 257516 257517 257518 257519 257520) A. sp. (266886)
Late/Upper Pleistocene	0.129 - 0.0117	Japan	A. boreale, A. leptodermum (233714)
Late/Upper Pleistocene	0.129 - 0.0117	North Pacific	A. arcadophorum (255100 255101)
Holocene	0.0117 - 0.0	Southern Ocean	A. leptodermum, A. boreale, A. delicatulum (249970) A. leptodermum, A. boreale, A. leptodermum, A. delicatulum, A. popofskii (250721)
Holocene	0.0117 - 0.0	North Pacific	A. leptodermum (242471 261229 261230 267592 268092 268098) A. leptodermum, A. delicatulum (242466 242467 242468 242469 242470 266529 266530 266531 267589 267590 267591 267593 268093 268094 268095 268096 268097)