Amboleberis americana (Müller 1890)

Amboleberis americana (Müller, 1890)

Asterope americana Müller, 1890:240, pl. 25: fig. 16; pl. 26: fig. 9; pl. 27: fig. 11.

Asterope dentata Müller, 1890:240 [lapsus].

Cylindroleberis americana.—Müller, 1894:218, 220 [inferred].

Cyclasterope brevis.—Brady, 1902:183, pl. 24: figs. 16–22 [see Poulsen, 1965:250].

Cyclasterope amerikana.—Müller, 1906:33.

Cyclasterope americana.—Müller, 1912:48.

Cyclasterope deutata.—Müller, 1912:48 [misspelling of C. dentata in synonymy].

Cycloleberis americana.—Skogsberg, 1920:442 [Skogsberg stated that the species probably should be placed in Cycloleberis].—Poulsen, 1965:169, 250, 252, figs. 85, 86.—Kornicker, 1975a:69, 78; 1977a:792, 795.

Cyclasterope priacanthus Tressler, 1949:338, figs. 1–3.

Cyclasterope tripla Tressler, 1949:340, figs. 10, 11.

Cyclasterope sphaerica Tressler, 1949:336, 337, 340, figs. 13, 14.

Cycloberis biminiensis Kornicker, 1958:232, 243, figs. 67A–D, 68A–F, 85A–E.

Cyclasterope biminiensis.—Darby, 1965:30, pl. 17: figs. 1–8; pl. 18: figs. 1–7; pl. 19: figs. 1–4.

Cycloleberis biminiensis.—Poulsen, 1965:245 [key].

Cycloleberis priacanthus.—Poulsen, 1965:245 [key].

Cycloleberis tripla.—Poulsen, 1965:245 [key].

Cycloleberis sphaerica.—Poulsen, 1965:245 [key].

HOLOTYPE.—Unique specimen, present locality of specimen, if extant, unknown.

TYPE-LOCALITY.—Coast of South America (Pernambuco), pelagic.

MATERIAL.—USNM 88842, holotype of Cyclasterope tripla, juvenile male, seaweed on rocks on east side of Loggerhead Key, Tortugas, Florida; USNM 88844, holotype of Cyclasterope sphaerica, juvenile male, 18–20 m, east side of White Shoal, Tortugas, Florida; USNM 88848, holotype of Cyclasterope priacanthus, adult male, off Loggerhead Key, near marker 754, Tortugas, Florida (from fish stomach); USNM 88857, paratype of Cyclasterope tripla, 1 juvenile male, 16–18 m in southwest channel north of Red Buoy No. 2, Tortugas, Florida; USNM 88851, paratype of Cyclasterope sphaerica, 1 juvenile female, debris of cracked rock from west side of Loggerhead Key, Tortugas, Florida; USNM 150290A, 1 ovigerous female, Tampa Bay, Florida; USNM 150290B, 1 juvenile female, Tampa Bay; USNM 81645, 3 specimens (2 without all appendages), northeast of Lake Worth, Palm Beach County, Florida; USNM 150296, 1 adult male, continental shelf off Georgia; USNM 156913, 1 specimen, Gosnold cruise 222, sta 268B on Atlantic shelf off Florida; USNM 156989, 3 specimens, Carrie Bow Cay, Belize, sta 56; USNM 156800, 156801, 2 specimens, Costa Rica, sta 1567 and 1566, respectively; USNM 157587, 1 juvenile, sta 14, replicate 4, Anclote Anchorage, Florida. USNM 157763, 1 specimen, sta 16(2), off Galveston, Texas. Specimens returned to M. Bowen, Virginia Institute of Marine Science: 2 specimens, sta 1D off South Carolina, 2 specimens, sta 6B off Jacksonville, Florida.

Panama specimens, Pacific side: USNM 157138–140, 3 juveniles, sta 182-1; USNM 156933, 157141, 4 juveniles, sta 182-3; USNM 157142–145, 1 adult male, 10 juveniles sta 183-1; USNM 157146–149, 2 ovigerous females, 9 juveniles, sta 183-2; USNM 157168, 1 ovigerous female, sta 83; 1 juvenile male, sta 75 (retained by H. W. Kaufman); USNM 157198, 1 juvenile, sta 5; USNM 157199, 1 juvenile, sta 6; USNM 157200, 1 ovigerous female, sta 76.

DISTRIBUTION (Figure 39).—Atlantic Ocean: South Carolina, Georgia, Florida, Dry Tortugas, Bahamas, Belize, Brazil. Gulf of Mexico: Florida, Texas. Pacific Ocean: Costa Rica, Gulf of Panama. Collected in surface plankton and on the bottom at intertidal depths and as deep as 53.5 m.

Amboleberis americana (Müller, 1890)

See Kornicker (1981b: 168) for synonomy.

HOLOTYPE.—Present locality of specimen, if extant, unknown (Kornicker, 1981:168).

MATERIAL.—Rat Cay Blue Hole, Andros Island, 9 specimens. Crab Cay Crevasse, Exuma Cays, USNM 194584, 1 specimen.

DISTRIBUTION.—East Atlantic coast: South Carolina to Brazil. Bahamas: Rat Cay Blue Hole and Crab Cay Cravasse (herein). East Pacific: Costa Rica and Gulf of Panama. Gulf of Mexico: Florida and Texas. Depth range: surface to 53.5 m.

SUPPLEMENTARY DESCRIPTION OF INSTAR I (sex unknown).—Carapace ovoid with vertical ridge posterior to incisur (Figure 69).

Carapace Size (length, height in mm): USNM 194584, 0.76, 0.58.

Furca (Figure 69): Each lamella with 4 claws: claw 1 with suture at base, claws 2–4 without sutures.

Y-Sclerite and Girdle (Figure 69): Fused.

Appendix 1

Station Data With Specimens Examined

(in chronological order)

Inland Blue Holes

Sta 97–021, 5 Aug 1997, Mermaid's Lair, Grand Bahama Island; collected with plankton net from water column in 18–22 m depths.

Spelaeoecia parkeri: 1 specimen.

Sta 97–022, 6 Aug 1997, Mermaid's Lair, Grand Bahama Island; collected with individual vials and 93 mm mesh plankton net from halocline and below in 18–22 m depths.

Spelaeoecia parkeri: 1 specimen.

Sta 97–026, 24 Aug 1997, Stargate Blue Hole, South Andros Island; collected with plankton net, vials, and suction bottle from water column in 33–36 m depths of North Passage.

Deeveya bransoni: 4 specimens.

Spelaeoecia styx: 7 specimens.

Sta 97–028, 24 Aug 1997, Stargate Blue Hole (same collecting data as given above for Sta 97–026).

Deeveya bransoni: 3 specimens.

Sta 97–029, 26 Aug 1997, Stargate Blue Hole, South Andros Island; collected with plankton net and vials from water column in 33–39 m depths of South Passage.

Deeveya bransoni: 2 specimens.

Spelaeoecia styx: 3 specimens.

Oceanic Blue Holes

Sta 95–008, 18 May 1995, Angelfish Cave, Stocking Island, Exuma Cays, Bahamas; salinity 35 ppt; collected with suction bottle from outside the cave in 9 m water depth on a sandy ledge overlooking the cave entrance.

Cylindroleberidinae, genus and species indeterminate: 1 early instar.

Sta 95–010, 18 May 1995, Crab Cay Crevasse, Crab Cay, Exuma Cays, Bahamas; salinity 35 ppt; collected with plankton net from coarse sediment at 35 m depth about 100 m inside cave.

Skogsbergia lerneri: 2 specimens.

Eurypylus hapax: 3 specimens.

Junctichela pax: 17 specimens.

Rutiderma darbyi: 1 specimen.

Amboleberis americana: 1 specimen.

Sta 95–091, 5 Aug 1995, Sugar Cay Blue Hole, Sugar Cay, Exuma Cays, Bahamas; collected with plankton net from a silt mound on the wall of the cave passage in 31 m depth (Kornicker and Iliffe, 2000:94).

Harbansus paucichelatus: 3 specimens.

Eusarsiella merx: 5 specimens.

Eusarsiella spp. indet.: 2 instar IV (USNM 194558, 194580); 3 juveniles (USNM 194628).

Sta 96–030, 9 Sep 1996, Mystery Cave, Stocking Island, Exuma Cays, Bahamas; collected with plankton net from sandy bottom and walls in 50 m depth (Kornicker and Iliffe, 2000:94).

Synasterope browni: 3 specimens.

Sta 96–031, 9 Sep 1996, Master Harbour Cave, Great Exuma Island, Exuma Cays, Bahamas; collected with plankton net from surface of a silt mound in 12–15 m depth. Skogsbergia lerneri: 2 specimens.

Cylindroleberidinae (genus and species indeterminate): 1 instar I.

Sta 96–040, 6 Apr 1996, Conch Sound Blue Hole, Andros Island, Bahamas; collected with plankton net from surface of silt mound in 22 m depth (Kornicker and Iliffe, 2000:94).

Harbansus paucichelatus: 11 specimens.

Eusarsiella sp. indet.: 1 instar I.

Sta 97–023, month and day unknown, 1997, Four Shark Cave, South Andros Island; collected by divers with a plankton net tow from the water column and silt on ledges at 27–33 m depth in the back section of the cavern.

Skogsbergia lerneri: 1 specimen.

Eusarsiella ryanae: 11 specimens.

Synasterope browni: 1 specimen.

Rat Cay Blue Hole, Andros Island, 1981, 1982; collected with plankton net about 1.5 m from walls of the cave in about 5 m depth while current flowed out of hole. Species marked by * are from Warner and Moore (1984, table 1) (those species were identified by Kornicker (1983, in litt.) and were returned to The Natural History Museum, London.

Skogsbergia lerneri*: 2 specimens.

Eusarsiella warneri: 1 specimen.

Amboleberis americana*: 9 specimens.

Actinoseta chelisparsa*: 1 specimen.

Asteropella monambon*: 1 specimen.

Appendix 2

(Number of filaments on c-, f-, and g-bristles of the first antennae of males and females of selected species of Cylindroleberidinae, and carapace length of adult males. (L=carapace length of adult male in mm; nd=no data; S=bristle relatively short; -=females unknown; +=distal part of bristle missing and number of missing additional filaments unknown; number of filaments may or may not include tip of bristle.)

Amboleberis americana (Müller, 1890)

Amboleberis americana.—Kornicker, 1981a:168, figs. 62–66; pls. 42–46 [see for complete synonomy].

HOLOTYPE.—Unique specimen, present locality, if extant, unknown.

TYPE-LOCALITY.—Coast of South America (Pernambuco), pelagic.

MATERIAL.—See “Station Data with Specimens Examined.”

DISTRIBUTION.—Atlantic Ocean: North Caroline to Florida, Dry Tortugas, Bahamas, Virgin Islands, Belize, Brazil. Gulf of Mexico: Florida, Texas. Pacific Ocean: Costa Rica, Gulf of Panama. Collected in surface plankton and on the bottom at intertidal depths and as deep as 97.5 m.

ASTEROPTERONINAE Kornicker, 1981

This subfamily comprises 7 genera of which 3 have representatives in the study area: Actinoseta Kornicker, 1958, Asteropella Poulsen, 1965, and Asteropterygion Kornicker, 1981. Only these 3 genera are included in the Key, which is for species in the study area.