Natura - nature
actualia - actual entities
Mundus Plinius - physical world
naturalia - natural bodies
[crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Clade neomura Cavalier-Smith, 1987
Domain Eukaryota Chatton, 1925 - eukaryotes
Clade discaria Cavalier-Smith, 2021
Clade natates Cavalier-Smith, 2021
Clade photaria Cavalier-Smith, 2021
Clade eucorta Cavalier-Smith, 2021
Superkingdom Corticata Lankester, 1878 - corticates
Kingdom Plantae Haeckel (1866) - plants
Clade Rhodaria Cavalier-Smith 2021
Subkingdom Rhodoplantae G.W.Saunders & Hommers. (2004) [monotypic]
Phylum Rhodophyta Wettst. (1901) - red algae
Subphylum Eurhodophytina G.W.Saunders & Hommers. (2004)
Class Florideophyceae Cronquist (1960)
Subclass Nemaliophycidae Christensen (1978)
Order Acrochaetiales Feldmann
Family Acrochaetiaceaeᵀ Melch. (1954), nom. cons.
Genus Acrochaetiumᵀ Nägeli (1858)
"Acrochaetium chondriae" Aziz, nom. nud.
Acrochaetium compactum C.C. Jao
Acrochaetium concavum (Schmitz & Heydrich) Setchell & Gardner
"Acrochaetium delisea" Aziz, nom. nud.
Acrochaetium discoideum Børgesen, in Skottsberg (1924)
Acrochaetium distichosporum Dawson, Acleto & Foldvik
Acrochaetium doumerquei Hamel & Hamel-Joukov
Acrochaetium effusum Levring
Acrochaetium elegans (Drew) Papenfuss
Acrochaetium entophyticum Batters
Acrochaetium fernandezianum (Levring) Papenfuss
Acrochaetium flexuosum Vicker
"Acrochaetium galaxaurae" Aziz, nom. nud.
Acrochaetium grateloupiae Dawson
Acrochaetium griffithsianum Nägeli
Acrochaetium gymnogongri Setchell & Gardner
Acrochaetium hamelii Feldmann
Acrochaetium homorhizum Børgesen
Acrochaetium humile (Rosenvinge) Børgesen (1915)
"Acrochaetium hummii" Aziz, nom. nud.
Acrochaetium interpositum (Heydrich) Børgesen
"Acrochaetium islamii" Aziz, nom. nud.
Acrochaetium kurilense (Nagai) Papenfuss
"Acrochaetium laminariae" Feldmann, nom. nud.
Acrochaetium lauterbachii (Schmitz & Heydrich, in Schumann & Lauterbach) Hamel
Acrochaetium leptonemoides Levring
Acrochaetium luxurians (Agardh ex Kützing) Nägeli
Acrochaetium macropoda P.J.L. Dangeard
Acrochaetium madinae Hamel & Hamel-Joukov
Acrochaetium magnificum (Drew) Papenfuss
Acrochaetium molle (Pilger) Hamel
Acrochaetium penetrans (Levring) Papenfuss
Acrochaetium plumosum (Drew) G.M. Sm.
Acrochaetium posidoniae (Zanardini) Nägeli
Acrochaetium proskaueri J.A.West
Acrochaetium pubes (Agardh) Nägeli (1861)
Acrochaetium pulvinatum Levring
"Acrochaetium pusillum" Feldmann, nom. nud.
"Acrochaetium reniforme" Aziz, nom. nud.
Acrochaetium reticulatum (Batters) Papenfuss
Acrochaetium rhizoideum (Drew) Jao
Acrochaetium roseolum (Crouan) Nägeli
Acrochaetium sagraeanum (Mont.) Bornet
"Acrochaetium stypopodiae" Aziz, nom. nud.
Acrochaetium vinculoides (Heydrich, in Schumann & Lauterbach) Okamura
01 Acrochaetium alariae (Jónsson) Bornet (1904)
02 Acrochaetium asparagopsis (Chemin) Papenfuss (1945)
03 Acrochaetium balticum (Rosenvinge) Aleem & Schulz (1952)
04 Acrochaetium barbadensis (Vickers) Børgesen (1915)
05 Acrochaetium battersianum G. Hamel (1927)
06 Acrochaetium boergesenii Schiffner (1931)
07 Acrochaetium bonnemaisoniae (Batters) Feldmann & G. Feldmann (1939)
08 Acrochaetium brebneri (Batters) G. Hamel (1928)
09 Acrochaetium caespitosum (J.Agardh) Nägeli (1862)
10 Acrochaetium canariense Børgesen (1927)
11 Acrochaetium catenulatum M. Howe (1914)
12 Acrochaetium cheminii Feldmann (1954)
13 Acrochaetium chylocladiae (Batters) Batters (1902)
14 Acrochaetium codicolum Børgesen (1927)
15 Acrochaetium codii (P.L. Crouan & H.M. Crouan) G. Hamel (1927)
16 Acrochaetium collopodum (Rosenvinge) G. Hamel (1927)
17 Acrochaetium corymbiferum (Thuret) Batters
18 Acrochaetium crassipes (Børgesen) Børgesen
19 Acrochaetium cymopoliae Børgesen (1927)
20 Acrochaetium cytophagum (Rosenvinge) G. Hamel (1927)
21 Acrochaetium daviesii (Dillwyn) Nägeli (1862)
22 Acrochaetium duboscqii Feldmann (1939)
23 Acrochaetium dumontiae (Rosenvinge) G. Hamel (1927)
24 Acrochaetium efflorescens (J.Agardh) Nägeli
25 Acrochaetium emergens (Rosenvinge) Weber-van Bosse (1921)
26 Acrochaetium endophyticum Batters (1896)
27 Acrochaetium endozoicum (Darbishire) Batters
28 Acrochaetium extensum Ercegovic
29 Acrochaetium gracile Børgesen (1915)
30 Acrochaetium gynandrum (Rosenvinge) G. Hamel (1927)
31 Acrochaetium hauckii Schiffner (1916)
32 Acrochaetium immersum (Rosenvinge) G. Hamel (1927)
33 Acrochaetium inclusum (Levring) Papenfuss (1945)
34 Acrochaetium incrassatum Ercegovic
35 Acrochaetium infestans M. Howe & Hoyt
36 Acrochaetium kylini G. Hamel (1927)
37 Acrochaetium lenormandii (Suhr ex Kütz.) Nägeli
38 Acrochaetium leptonema (Rosenvinge) Børgesen (1915)
39 Acrochaetium liagorae Børgesen (1915)
40 Acrochaetium lorrain-smithiae (Lyle) L. Newton (1931)
41 Acrochaetium macula (Rosenvinge) G. Hamel (1927)
42 Acrochaetium mediterraneum (Levring) Boudouresque (1970)
43 Acrochaetium microfilum C.C. Jao (1936)
44 Acrochaetium microscopicum (Nägeli ex Kütz.) Nägeli (1862)
45 Acrochaetium minutum (Suhr) G. Hamel (1927)
46 Acrochaetium mirabilis (Suhr) Nägeli (1862)
47 Acrochaetium molinieri Coppejans & Boudouresque (1976)
48 Acrochaetium moniliforme (Rosenvinge) Børgesen (1915)
49 Acrochaetium naumannii (Askenasy) Askenasy
50 Acrochaetium nemalii (De Not. ex L. Dufour) Bornet
51 Acrochaetium nemalionis (De Not. ex L. Dufour) Bornet (1904)
52 Acrochaetium nitophylli (Levring) Papenfuss (1945)
53 Acrochaetium occidentale Børgesen (1915)
54 Acrochaetium pallens (Zanardini) Nägeli (1862)
55 Acrochaetium parvulum (Kylin) Hoyt (1920)
56 Acrochaetium pulchellum Børgesen
57 Acrochaetium radiatum C.C. Jao (1936)
58 Acrochaetium reductum (Rosenvinge) G. Hamel (1927)
59 Acrochaetium robustum Børgesen (1915)
60 Acrochaetium rosulatum (Rosenvinge) Papenfuss
61 Acrochaetium sanctae-mariae (Darbishire) G. Hamel
62 Acrochaetium savianum (Meneghini) Nägeli (1862)
63 Acrochaetium secundatum (Lyngbye) Nägeli (1858)
64 Acrochaetium seiriolanum (Gibson) Rosenvinge (1924)
65 Acrochaetium sparsum (Carmichael ex Harvey) Nägeli (1862)
66 Acrochaetium stilophorae (Levring) Kylin (1944)
67 Acrochaetium subpinnatum Bornet ex G. Hamel
68 Acrochaetium subseriatum Børgesen
69 Acrochaetium subtilissimum (Kütz.) G. Hamel (1927)
70 Acrochaetium trifilum (Buffham) Batters
71 Acrochaetium unifilum C.C. Jao (1936)
72 Acrochaetium virgatulum (Harvey) Batters (1902)