CLASSE: SCAPHOPODA : MARINHO
FAMÍLIA: DENTALIIDAE
ESPÉCIE: Graptacme calamus (Dall, 1889)
Tamanho médio: 23 mm
Profundidade: 17 – 124 m
Habitat: Lodo e areia – Vive em fundos lodosos ou arenosos
Alimentação: Carnívoro – Alimenta-se de outros animais
Ocorrência no Brasil: Amapá até Rio Grande do Sul
Localidade tipo: “Turtle Harbor, Florida, USA [25º15’32″N, 80º14’16″W], 7 m (designação subsequente por Henderson, 1920: 72)”
Nome original: Dentalium calamus Dall, 1889
Sinônimos: Dentalium (Graptacme) calamus Dall, 1889
Fotos: (1) Caetano, Scarabino & Absalão (2006): LECTOTYPE de Graptacme calamus (Dall, 1889), USNM 68117, 19 mm

Figura: Caetano, Scarabino & Absalão (2006): Gênero Graptacme e Fustiaria: (39–43) Graptacme calamus, (39–40) LECTOTYPE USNM 68117, 19 mm, (41–43) IBUFRJ 14232, 18 mm; (44–45) Graptacme perlonga, IBUFRJ 13866, 61 mm; (46–47) Graptacme semistriolata, IBUFRJ 14247, 35 mm; (48–52) Fustiaria liodon, (48) HOLOTYPE ANSP 35554, 25 mm, (49–52) IBUFRJ 14252, 30 mm; (53–56) Fustiaria stenoschiza, (53–54) SYNTYPE ANSP 71081, 35 mm, (55–56), IBUFRJ 10587, 26 mm
Fontes:
Descrição original: (como Dentalium calamus Dall, 1889) Dall, W. H. (1889). Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877-78) and in the Caribbean Sea (1879-80), by the U.S. Coast Survey Steamer “Blake”, Lieut.-Commander C.D. Sigsbee, U.S.N., and Commander J.R. Bartlett, U.S.N., commanding. XXIX. Report on the Mollusca. Part 2, Gastropoda and Scaphopoda. Bulletin of the Museum of Comparative Zoölogy at Harvard College. 18: 1-492, pls. 10-40., disponível online em http://www.biodiversitylibrary.org/item/25505
página(s): 421-42
Caetano C. H., Scarabino V. & Absalao R. S. (2006). Scaphopoda (Mollusca) from the Brazilian continental shelf and upper slope (13° to 21°S) with descriptions of two new species of the genus Cadulus Philippi, 1844. Zootaxa. 1267: 1-47., disponível online em https://doi.org/10.11646/zootaxa.1267.1.1
Kraeuter, J. N. 2009. Scaphopoda (Mollusca) of the Gulf of Mexico, Pp. 745–749 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas
Souza, Leonardo & Araújo, Isabella & Caetano, Carlos. (2013). A commented list of Scaphopoda (Mollusca) found along the Brazilian coast, with two new synonymies in the genus Gadila Gray, 1847. Biota Neotropica. 13. 228-235
Molluscabase: https://molluscabase.org/aphia.php?p=taxdetails&id=344507