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                                    Acrochaetium alcyonidii C. C. Jao
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                                    Acrochaetium obscurm (K.M.Drew) Papenf.
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                                    Acrochaetium barbadense (Vickers) Børgesen
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                                C. W. Schneider 02-19-8 | 
                                02 Aug 2002 | 
                                United States of America | 
                                Hawaii | 
                                Honolulu Co. Kahuka, Malaekanana Bay | 
                                — | 
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                                    Acrochaetium virgatulum (Harv.) Batters
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                                J. Schiller s.n. | 
                                23 Feb 1912 | 
                                Montenegro | 
                                — | 
                                Adria; Dalmatien; Bocche di Cattaro;… | 
                                — | 
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                                    Acrochaetium
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                                E. D. Merrill 10586 | 
                                24 Dec 1916 | 
                                Philippines | 
                                — | 
                                Alabat Island | 
                                — | 
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                                    Acrochaetium hypneae (Børgesen) Børgesen
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                                C. W. Schneider | C. E. Lane 10-26-8 | 
                                24 Aug 2010 | 
                                Bermuda | 
                                — | 
                                Harrington Sound. Shark Hole, eastern… | 
                                — | 
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                                    Acrochaetium gracile Børgesen
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                                F. C. E. Børgesen 1063 | 
                                21 Dec 1905 | 
                                Virgin Islands (U.S.) | 
                                Saint Thomas | 
                                the Harbor | 
                                — | 
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                                    Acrochaetium robustum Børgesen
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                                F. C. E. Børgesen 1063 | 
                                21 Dec 1905 | 
                                Virgin Islands (U.S.) | 
                                Saint Thomas | 
                                the Harbor | 
                                probable type | 
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                                    Acrochaetium novaezelandiae Heydr.
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                                F. Heydrich 8 | 
                                Jun 1892 | 
                                New Zealand | 
                                — | 
                                Bay of Islands | 
                                isotype | 
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                                    Acrochaetium sancti-thomae Børgesen
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                                F. C. E. Børgesen 1063 | 
                                21 Dec 1905 | 
                                Virgin Islands (U.S.) | 
                                Saint Thomas | 
                                the Harbor | 
                                probable type | 
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                                    Acrochaetium
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                                R. E. Coker 145 p.p. | 
                                27 Mar 1907 | 
                                Peru | 
                                — | 
                                Islands of Lobos de Afuera | 
                                — | 
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                                    Acrochaetium corymbiferum (Thur.) Batters
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                                C. W. Schneider | C. E. Lane 03-23-5 | 
                                02 Apr 2003 | 
                                Bermuda | 
                                — | 
                                St. David's Island, north end… | 
                                — | 
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                                    Acrochaetium polysporum M.Howe
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                                R. E. Coker 09150 p.p. | 
                                12 Feb 1907 | 
                                Peru | 
                                — | 
                                region of Ancón, Pescadores Islands,… | 
                                holotype | 
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                                    Acrochaetium hypneae (Børgesen) Børgesen
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                                C. W. Schneider 08-41-6 | 
                                18 Feb 2008 | 
                                Bermuda | 
                                — | 
                                Harrington Sound, Flatts, outflow of… | 
                                — | 
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                                    Acrochaetium microscopicum f. epilosa Schiffn.
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                                C. W. Schneider 01-7-7 | 
                                07 Jul 2001 | 
                                United States of America | 
                                Maine | 
                                Lincoln Co. Louds Island, Deep… | 
                                — | 
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                                    Acrochaetium
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                                E. D. Merrill 10586 | 
                                21 Dec 1916 - 30 Dec 1916 | 
                                Philippines | 
                                — | 
                                Alabat Island | 
                                — | 
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                                    Acrochaetium unipes Børgesen
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                                The Johnson-Smithsonian Deep-Sea Expedition 408 a-7 | 
                                26 Feb 1933 | 
                                Puerto Rico | 
                                — | 
                                Isla de Culebra | 
                                — | 
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                                    Acrochaetium flexuosum Vickers
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                                M. Díaz-Piferrer s.n. | 
                                22 Sep 1965 | 
                                Puerto Rico | 
                                Yabucoa | 
                                Playa Guayanes | 
                                — | 
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                                    Acrochaetium flexuosum Vickers
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                                M. Díaz-Piferrer (FP-DB)3267 | 
                                11 Feb 1969 | 
                                Puerto Rico | 
                                Yabucoa | 
                                Playa Guayanes, Puerto Yabucoa, costa… | 
                                — | 
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                                    Acrochaetium flexuosum Vickers
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                                M. Díaz-Piferrer 20736 | 
                                09 Mar 1966 | 
                                Venezuela | 
                                — | 
                                Isla Cubagua | 
                                — | 
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                                    Acrochaetium flexuosum Vickers
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                                M. Díaz-Piferrer (DB)-2923 | 
                                22 Sep 1965 | 
                                Puerto Rico | 
                                Yabucoa | 
                                Playa Guayanes | 
                                — | 
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                                    Acrochaetium flexuosum Vickers
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                                M. Díaz-Piferrer (FP-DB)3236 | 
                                04 Feb 1979 | 
                                Puerto Rico | 
                                Yabucoa | 
                                Playa Guayanes, Puerto Yabucoa, costa… | 
                                — | 
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                                    Acrochaetium flexuosum Vickers
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                                M. Díaz-Piferrer (FP-DB)2579 | 
                                21 Sep 1963 | 
                                Puerto Rico | 
                                — | 
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                                    Acrochaetium sargassi Børgesen
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                                M. Díaz-Piferrer 20265 | 
                                11 Feb 1966 | 
                                Venezuela | 
                                — | 
                                Estado Anzoategui | 
                                — | 
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                                    Acrochaetium
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                                A. B. Lord s.n. | 
                                Jul - Aug 1925 & Jul - Aug 1926 | 
                                United States of America | 
                                Washington | 
                                San Juan Co. Obstruction Pass | 
                                — | 
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