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Deep-Sea source details

Hess H, Messing CG (2011) Comatulida. In: Hess H, Messing CG, Ausich WI. Treatise on Invertebrate Paleontology, Part T, Echinodermata 2 Revised, Crinoidea, vol. 3. University of Kansas Press, Lawrence, Kansas, pp. 70–146.
164346
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2013-01-12 18:30:12Z
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2013-06-03 12:39:04Z
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Antedon de Fréminville, 1811 (basis of record)
Antedonidae Norman, 1865 (additional source)
Antedonidae incertae sedis (basis of record)
Antedoninae (Norman, 1865) (additional source)
Antedonoidea Norman, 1865 (basis of record)
Anthometrina Eléaume, Hess & Messing, 2011 (basis of record)
Anthometrina adriani (Bell, 1908) (additional source)
Asterometridae Gislén, 1924 (basis of record)
Atelecrinidae Bather, 1899 (additional source)
Athrypsometra Messing & White, 2001 (basis of record)
Bathymetrinae AH Clark, 1909 (additional source)
Caryometra AH Clark, 1936 (additional source)
Comasteroidea AH Clark, 1908 accepted as Comatuloidea Fleming, 1828 (basis of record)
Comatulida (basis of record)
Eumorphometra Clark, 1915 (basis of record)
Florometra AH Clark, 1913 (basis of record)
Hathrometra AH Clark, 1908 (basis of record)
Heliometra AH Clark, 1907 (additional source)
Heliometrinae AH Clark, 1909 (additional source)
Kempometra John, 1938 (basis of record)
Leptometra AH Clark, 1908 (basis of record)
Mariametroidea AH Clark, 1909 accepted as Himerometroidea AH Clark, 1908 (additional source)
Orthometra AH Clark, 1917 (basis of record)
Pentametrocrinidae AH Clark, 1908 (additional source)
Phrixometra Clark, 1921 (basis of record)
Poliometra AH Clark, 1923 (basis of record)
Pterometra AH Clark, 1909 (basis of record)
Thaumatometra AH Clark, 1908 (basis of record)
Tonrometra AH Clark, 1917 (basis of record)
Trichometra AH Clark, 1908 (basis of record)
 Diagnosis

Comatulida with centrodorsal low hemispherical to discoidal. No aboral star. Cirrus sockets without distinct ... [details]

 Diagnosis

A family of Tropiometroidea with centrodorsal large, thick discoidal to low columnar with large, flattened, ... [details]

 Diagnosis

A genus of Asterometridae with cirrals lacking constriction or distal projection. As many as 16 arms. Proximal ... [details]

 Diagnosis

A genus of Asterometridae with cirri sometimes as long as arms; cirrals lacking aboral spine and opposing spine; ... [details]

 Diagnosis

A genus of Asterometridae with proximal cirrals constricted with projecting distal margin commonly developed as ... [details]

 Diagnosis

Antedonidae with centrodorsal rounded, low hemispheric or conical, usually with cirrus-free aboral apex, sometimes ... [details]

 Diagnosis

Antedonidae with centrodorsal conical, low hemispherical or almost discoidal, with large cavity. Cirrus sockets ... [details]

 Diagnosis

Antedonidae with centrodorsal hemispherical to rounded subconical, with 80+ sockets; cirri typically of 25-30 ... [details]

 Diagnosis

Antedonidae with centrodorsal conical, not higher than wide, with sockets in 10 columns, separated interradially by ... [details]

 Diagnosis

Antedonidae with centrodorsal rounded conical; aboral polerounded, commonly rugose or tuberculate; cirrus-free ... [details]

 Diagnosis

Antedonidae with Centrodorsal conical, lower than wide, without interradial ridges, grooves, or spaces, with as ... [details]

 Diagnosis

Antedonidae with centrodorsal rounded conical, with sockets in 10 crowded columns of 2 or 3 each, without ... [details]

 Diagnosis

Antedonidae with centrodorsal conical, with sockets in 10 or 15 (rarely 20) irregular crowded columns not separated ... [details]

 Diagnosis

Antedonidae with centrodorsal conical, slightly wider than high, with sockets in 20 columns, not separated into ... [details]

 Diagnosis

Antedonidae with centrodorsal conical, slightly wider than high, with ~50 sockets in 15 crowded columns. Largest ... [details]

 Diagnosis

Antedonidae with centrodorsal conical, approximately as wide as high, with 15-20 columns of cirrus sockets, not ... [details]

 Diagnosis

Antedonidae with centrodorsal conical, as wide as high or low and truncated, with sockets in 10 or 15 crowded ... [details]

 Diagnosis

Antedonidae with centrodorsal slightly higher than wide, with sockets in 10 columns, separated interadially by a ... [details]

 Diagnosis

Antedonidae with centrodorsal conical, as wide across the base as high, or wider; with cirrus sockets shallow, ... [details]

 Diagnosis

Antedonidae with centrodorsal conical, much higher than wide, with sockets in 10 columns separated ... [details]

 Diagnosis

Antedonidae with radials 10, with one pair of nerve canals open medially. Arms 20; each ray divided at primibrachial 2. [details]

 Diagnosis

Antedoninae with centrodorsal much broader than high; cirrus sockets irregular or alternating in arrangement. First ... [details]

 Diagnosis

Antedoninae with cirri short and stout, strongly recurved distally. First pinnule with 18-35 pinnulars; pinnulars ... [details]

 Diagnosis

Antedoninae with cirri rarely 40, with as many as 17 cirrals with distal ends produced and overlapping; distal ... [details]

 Diagnosis

Antedoninae with Cirri rarely 40 (as many as 60), of 16-33 cirrals with distal ends produced and overlapping; ... [details]

 Diagnosis

Antedoninae with distal edges of brachials thickened. First 3 pinnules progressively smaller; first pinnule with at ... [details]

 Diagnosis

Antedoninae with distal ends of cirrals not produced and overlapping. Third pinnule longest and stoutest. [details]

 Diagnosis

Antedoninae with first 3 pinnules progressively smaller; first pinnule with 10-21 segments; second with fewer segments. [details]

 Diagnosis

Antedoninae with first and second pinnules with elongate pinnulars; first pinnule either shorter or longer than ... [details]

 Diagnosis

Antedoninae with Numerous cirri of 12-14 mostly elongate segments. First 4 (sometimes first 2-3) pinnules with ... [details]

 Diagnosis

Antedoninae with second pinnule much longer than either first or third. [details]

 Diagnosis
 for Comatulida

Articulata with postlarval columnals joined by synarthrial articulations; column persisting in adult without true ... [details]

 Diagnosis

Bathymetrinae with centrodorsal flattened hemispherical, with as many as 30 sockets. Cirri stout and flexible with ... [details]

 Diagnosis

Bathymetrinae with Ccntrodorsal conical with 30 or more cirrus sockets. Peripheral cirri with 21-36 cirrals; ... [details]

 Diagnosis

Bathymetrinae with centrodorsal hemispherical with ~30 sockets. Cirri with as many as 30 segments, the longest less ... [details]

 Diagnosis

Bathymetrinae with centrodorsal conical or convex conical with as many as 80 sockets. Cirri with as many as 33 ... [details]

 Diagnosis

Bathymetrinae with centrodorsal hemispherical or rounded conical, with 30-50 sockets. Cirri with 18-37 segments, ... [details]

 Diagnosis

Bathymetrinae with centrodorsal low subconical to hemispherical, with up to 50 sockets. Cirri with as many as 25 ... [details]

 Diagnosis

Bathymetrinae with centrodorsal rounded conical to hemispherical, with as many as 65 sockets arranged irregularly ... [details]

 Diagnosis

Bathymetrinae with centrodorsal low subconical or hemispherical to almost discoidal with 25-60 sockets. Cirri of ... [details]

 Diagnosis

Bathymetrinae with longest cirrals having L/W ratio up to 3; distal cirrals not longer than broad. First pinnule ... [details]

 Diagnosis

Bourgueticrinina with cup conical; 5 basals and 5 radials almost equal in height. Synostosis between primibrachials ... [details]

 Diagnosis

Calometridae with arms 10-15. Secundibrachials of 2 ossicles. Radials separating adjacent primibrachials narrowly ... [details]

 Diagnosis

Calometridae with as many as 17 arms. Primibrachs united by close synarthry. Secundibrachs 4 (3+4) or rarely ... [details]

 Diagnosis

Calometridae with radials separating adjacent primibrachs very narrowly or not at all. As many as 20 arms. ... [details]

 Diagnosis

Calometridae with Radials separating adjacent primibrachs widely. As many as 40 arms. All brachitaxes of 2 ... [details]

 Diagnosis

Calometridae with Rrdials not separating adjacent brachitaxes. Arms 15-20. All brachitaxes of 2 ossicles. Adjacent ... [details]

 Diagnosis

Centrodorsal conical, higher or lower than wide, without interradial ridges, grooves, or spaces, with sockets in 10 ... [details]

 Diagnosis

Centrodorsal conical, with narrow centrodorsal cavity; adoral rim with 5 interradial grooves to accommodate flat, ... [details]

 Diagnosis

Centrodorsal thick to thin discoidal or pentagonal, rarely stellate; aboral apex broad, cirrus-free, flat or ... [details]

 Diagnosis

Heliometrinae with brachials having high median keel. First pinnule much larger than second pinnule. [details]

 Diagnosis

Heliometrinae with centrodorsal hemispherical or low rounded conical, with 50-100 crowded sockets. Cirri slender, ... [details]

 Diagnosis

Heliometrinae with centrodorsal subconical to almost hemispherical, commonly low or with an aboral depression. ... [details]

 Diagnosis

Mariametroidea with adoral side of centrodorsal with interradial ridges and with undivided coelomic impression in ... [details]

 Diagnosis

Moderate to very large Notocrinoidea with centrodorsal commonly wider and aborally more flattened or concave in ... [details]

 Diagnosis

Perometrinae with proximal brachials not laterally flattened, with tuberculate margins. Disk naked. First interior ... [details]

 Diagnosis

Perometrinae with proximal brachials with smooth, flattened sides apposed against those of adjacent ray. ... [details]

 Diagnosis

Perometrinae with proximal brachials not laterally flattened, with tuberculate margins. Disk bearing rounded ... [details]

 Diagnosis

Same as family. [details]

 Diagnosis

Same as genus. [details]

 Diagnosis

Same as genus. [details]

 Diagnosis

Same as genus. [details]

 Diagnosis

Same as genus. [details]

 Diagnosis

Same as genus. [details]

 Diagnosis

Same as superfamily. [details]

 Diagnosis

Small Notocrinoidea with centrodorsal low rounded to almost conical; aboral apex more or less flattened, rugose. ... [details]

 Diagnosis

Small Perometrinae with first interior and exterior pinnules both absent. [details]

 Diagnosis

Thalassometridae with as many as 22 arms; brachitaxes all of 2 brachials; pinnulars of genital pinnules expanded ... [details]

 Diagnosis

Tropiometroidea with centrodorsal discoidal to low hemispherical with broad, flattened, cirrus-free aboral apex. No ... [details]

 Diagnosis

Very small Antedonidae with well-developed combs as far as second pinnule, composed of 3 segments, each with a ... [details]

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