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Search the Collection

USDA Nematode Collection was established in June 1960 By A. Morgan Golden. It is currently directed and curated by Dr. Benjamin Waldo with technical support from Steve Rogers. It is one of the largest and most valuable nematode collections in existence with over 49,200 permanent slides and vials, and a total repository of nematode specimens reaching several million. It includes over 1900 type specimens, and the valuable and irreplaceable collections of Cobb-Steiner, Thorne, and others. Nematodes from worldwide and domestic sources are represented in the collection. The Collection and database provide important information for reference purposes and taxonomic research by U.S. and foreign scientists and a permanent repository for type and other specimens. This website provides a portal to search those specimens that have been cataloged to date and provides data on nematode hosts, occurrence, and distribution.

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Displaying 3326 - 3350 of 41939

Entry Number: 3330

Nematode
Epsilonema camptocricum
Host
in/on Water
Origin
Antarctica Versch. Restproben, Gausstation
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902-1903
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-485t (Holotype)

Entry Number: 3331

Nematode
Protodesmoscolex antarcticos
Host
in/on Water (3423 m, deep-sea dredgings)
Origin
Antarctica Gauss Station (66 2' 9'' S) (89 38' E)
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-134t (Holotype - male)

Entry Number: 3332

Nematode
Desmoscolex sp.
Host
in/on Water (3423 m, deep-sea dredgings)
Origin
Antarctica Gauss Station (66 2' 9'' S) (89 38' E)
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-134t (male)

Entry Number: 3333

Nematode
Bathyepsilonema drygalskii
Host
in/on Water (385 meters)
Origin
Antarctica Gausstation, Wilhelm II Coast
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-391t (Holotype)

Entry Number: 3334

Nematode
Epsilonoides spongocricum
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-443t (Holotype)

Entry Number: 3335

Nematode
Epsilonema aphanum
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-443t (Holotype)

Entry Number: 3336

Nematode
Epsilonema heterocricum
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-444t (Holotypes)

Entry Number: 3337

Nematode
Epsilonema desmocricum
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-444t (Holotypes)

Entry Number: 3338

Nematode
Epsilonoides syringocricum
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-445t (Holotypes)

Entry Number: 3339

Nematode
Epsilonema antarcticum
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-445t (Holotypes)

Entry Number: 3340

Nematode
Epsilonema semeionoides
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-446t (Holotypes)

Entry Number: 3341

Nematode
Epsilonema cyrtum
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-446t (Holotypes)

Entry Number: 3342

Nematode
Epsilonema homalocricum
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-447t (Holotype)

Entry Number: 3343

Nematode
Prochaetosoma eumecum
Host
(Water (385 meters)) in/on Water (385 meters)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-462t (Holotypes)

Entry Number: 3344

Nematode
Prochaetosoma holocricum
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-462t (Holotypes)

Entry Number: 3345

Nematode
Bathyepsilonema crenatum
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-471t (Holotypes)

Entry Number: 3346

Nematode
Bathyepsilonema cobbi
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-471t (Holotypes)

Entry Number: 3347

Nematode
Epsilonema hexastoichum
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-472t (Holotypes)

Entry Number: 3348

Nematode
Epsilonema allohystera
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-472t (Holotypes)

Entry Number: 3349

Nematode
Epsilonoides cosmetum
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-478t (Holotype)

Entry Number: 3350

Nematode
Epsilonema frigidum
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-478t (Holotype)

Entry Number: 3351

Nematode
Prochaetosoma leptotrachelum
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-479t (Holotype)

Entry Number: 3352

Nematode
Bathyepsilonema vanhoffeni
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Gauss Station
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-479t (Holotype)

Entry Number: 3353

Nematode
Epsilonema mixtum
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Twist mit Brutnetz
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-482t (Holotype)

Entry Number: 3354

Nematode
Epsilonema dicrocricum
Host
(Water (385m)) in/on Water (385m)
Origin
Antarctica Twist mit Brutnetz
Collector
G. Steiner (German South Polar Expedition)
Date Received
1902 Dec 06
Disposition of Sample
Specimens to USDANC (Type)
Slides
T-482t (Holotype)