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Constructing a biodiversity knowledge graph will require making millions of cross links between diversity entities in different datasets. Researchers trying to bootstrap the growth of the biodiversity knowledge graph by constructing databases of links between these entities lack obvious ways to publish these sets of links. One appealing and lightweight approach is to create a “datasette”, a database that is wrapped together with a simple web server that enables users to query the data. Datasettes can be packaged into Docker containers and hosted online with minimal effort. This approach is illustrated using a dataset of links between globally unique identifiers for plant taxonomic names, and identifiers for the taxonomic articles that published those names.

Many nucleotide sequences in the publicly available genomics databases lack spatial information, such as the latitude and longitude coordinates for the locality where the sample for sequencing was taken. In this note I discuss several approaches to geocoding sequence records. The first method uses the Global Biodiversity Information Facility (GBIF: https://gbif.org) as a gazetter. The availability of a simple full text search across GBIF data makes it possible to rapidly geocode locality information simply by searching for matching records within GBIF. Hence if a sequence lacks coordinates but has some locality information it could be rapidly geocoded. The second method matches voucher specimen code for sequences with the corresponding specimen records in GBIF, which may be geocoded even if the sequence obtained from that specimen is not. Lastly, there will be cases where sequence records lack either locality or specimen information, but that information is available elsewhere, such as in the published literature or in supplementary data files. The possibility of publishing geocoded sequence records using Github is discussed.

Pinnotheres atrinicola n.sp. (Fig. 21,J, 3) Pinnotheres novaezelandiae Filhol. -* Chilton, 1911: 295­ 296. - Scott, 1961: 307 (part). - Bennett, 1964: 76-79 (part; not figs). - Takeda & Miyake, 1969: 18D-181. Pinnotheres schauinslandi Lenz. - Bennett, 1964: 79-80 (part; not fig. 87 and 89-91). Pinnotheres. Waite, 1909: 52. Pinnotheres " undescribed species". Gordon, 1936: 165. Pinnotheres sp. ("probably P. schauinslandi"). Wear, 1965: 16, 18. Diagnosis. Hard-stage: chelae with a continuous dorsal row of setae on propodus; terminal segment of abdomen quadrate; male 1st pleopod slender, strongly curved in distal third, less setose than in P. novaezelandiae. Mature female: legs noticeably asymmetric; 2nd leg with dactylus subequal to carpus or longer, propodus longer than carpus. First 3 legs with long setae on carpus, propodus, and dactylus. First-stage zoea larger than in P. novaezelandiae, and with a different chromatophore pattern. Description. Similar to P. novaezelandiae, against which characters are compared. HARD-STAGE (Fig. 3 A-G). Carapace (Fig. 3A) less dorsally inflated, less shouldered, 4.1--8.0 rom wide; front more protruding and convex. Third maxilliped (Fig. 3B) slightly narrower. Chelae (Fig. 3C,D) stouter, less inflated in male than female; row of setae on inner dorsal face of propodus extending from articulation with carpus to articulation with moving finger. Legs with all setae usually more strongly developed and less reduced in large males. Male abdomen (Fig. 3E) with segments 1-3 broader, terminal segment quadrate. Female abdomen (Fig. 3F) broad, convex ventrally, tapering strongly to quadrate terminal segment. Male 1st pleopod (Fig. 3G) less setose, slender, strongly curved laterally in distal third. Colour pattern typically with a large, orange marking along midline of posterior half of carapace. MATURE FEMALE (Fig. 3 H-J). Carapace (Fig. 3H) more laterally inflated and more rounded, less arched longitudinally, less convex dorsally, 10.0­ 19.9 rom wide. Third maxilliped (Fig. 31) slightly narrower than in hard-stage, Cheliped merus with dorsal setae reduced or absent, ventral row absent; chelae stout, inflated. Legs slender, subcylindrical, the 2nd longest, the 3rd subequal in length to it, the 4th shortest. Second leg (Fig. 3J) with propodus longer than carpus (ratio 1:1.48 ± 0.12 SD; n = 24), dactylus subequal to carpus or longer. Legs noticeably asymmetric (ratio of sum of lengths of last 3 segments of 2nd leg, shortest to longest, 1:1.7 ± 0.07 SD; n = 22); legs on 'shorter' side less robust and setose than those on 'longer' side. Merus with dorsal row of setae extending only halfway along margin. First 3 legs with scattered setae on lower half of merus and carpus, long setae on carpus, propodus, and dactylus. Last leg with scattered setae on dactylus and distal ventral margin of propodus. *The original synonym is misspelt in this reference Abdomen as in P. novaezelandiae. Usually unpigmented. FIRST-STAGE ZOEA (Fig. 21) larger - mean carapace length 0.56 mm (range 0.53-0.63 mm), mean width 0.39 mm (range 0.37-0.43 mm). Rostrum usually shorter. Mandible with incisor process variable, usually bearing 1 major tooth and 4 smaller accessory teeth (Fig. 2J). Chromatophore pattern (Fig. 21; Table 1): lateral carapacial chromatophore with 2, sometimes 3 centres; abdomen with paired black and yellow chromatophores; black subintestinal chromatophores of telson immediately ventral to yellow lateral intestinal chromatophores. Type data. Holotype'; (hard-stage): NEW ZEA­ LAND, Whangarei Harbour between High Island and mainland, 0-1 m, from Atrina zelandica, 13 May 1982, B. Dobson, G. Miles, C. Turbott, and C. Worthington (National Museum of New Zealand, Cr. 3021). Paratypes (National Museum of New Zealand). Bay of Plenty, B. L. Godfriaux, 3 S?, 7'; (sample no. 39A; Cr. 2529). B.S. 488, 40 009.5'S, 174°36'E, c. 18 miles S of Waitotara R. mouth, in 82 m, 2 Mar 1976, LV. Acheron, 1 S? (Cr. 2521). Evans Bay powerhouse intake, 13 Oct 1954, R. K. Dell, 1 S? (Pinnotheres novaezelandiae det. M. Scott, 1959; CL 952). Lyall Bay, Wellington, from A. zelandica, Sep 1949, R. K. Dell, 1 S? (P. novaezelandiae det. M. Scott, 1959; Cr. 955). B.S. 528, 40 036.5'S, 173°oo.5'E, off shelf flats inside Farewell Spit (Tasman Bank), in 24-26 m, 9 Mar 1976, r.v. Acheron, 2 (CL 2519, 2520). B.S. 527, 40 037'S, Acheron, 19 det. G. R. F. Hicks, in A. zelandica; Cr. 2524). 40OJ3'S, 173OZ7'E, in 73 m, from Modiolus areolatus, 10 Apr 1964, r.v. Constantia, 1 Acheron, 1 Acheron, 1 (P. novaezelandiae det. M. Scott, 1959; Cr. 956). Off Cape Campbell, 40 fm, from A. zelandica, Mar 1957, F. Abernethy, 1 (P. novaezelandiae det. M. Scott, 1959; Z. Cr. 687). Off Otago Harbour, from A. zelandica, 9 Mar 1952, vessel Taiaroa, J. C. Yaldwyn, IgS? (Cr. 941). Other material examined. AUTHOR'S PERSONAL COLLEC­ TION. Whangarei Harbour: same data as holotype, from 86 A. zelandica, 48 2, 28g 2, 50; MacDonald Bank, from A. zelandica, 10 May 1982, 52. Ngataringa Bay, Waitemata Harbour, from A. zelandica, 12 Dec 1981, 42, 2g 2, 14 Dec 1981, 112, 4g 2, 20, 13 Jan 1982, 92, 2g 2, 27 Feb 1982,12,lg2. UNIVERSITY OF AUCKLAND DEPARTMENT OF ZOOLOGY. Okahu Bay, Waitemata Harbour, from Chione stutchburyi, 15 Aug 1981, A. Grimm, 10. AUCKLAND INSTITUTE AND MUSEUM. Ruakaka, Marsden Pt, 2 Jan 1969, W. Farley, 12 (AIM. 3929). J. B. JONES PERSONAL COLLECTION. Seatoun beach, from A. zelandica, 1 2. CANTERBURY MUSEUM. Takapuna Beach, from A. zelandica, 29 Sep 1914, 22 (P. novaezelandiae del. E. W. Bennett, 18 Nov 1930; AQ 2369). Cheltenham Beach, from A. zelandica (ex Chilton Coli., no. 489), 22 (P. schauinslandi det. E. W. Bennett, 18 Nov 1930), 10 (P. novaezelandiae det. E. W. Bennett, 18 Nov 1930; AQ 2383). Auckland (dredged), Capt. Bollons, 22 (P. novaezelandiae det. E. W. Bennett, 18 Nov 1930; AQ 2396). Off Lyttelton heads, trawled sand-mud, 25-28 fm, 7 Mar 1967, vessel Golden Light, Mr Smith, 12 (AQ 2066). Nora Niven Expdn 1907, Stations 20 and 44, 52 (AQ 2242). Distribution. North and South islands. Intertidal to 200 m. Endemic. Hosts. The principal host is Atrina zelandica. There are single records of hard-stages from Modiolus areolatus (Gould) and Chione stutchburyi. Waite (1909, p. 52) found that "almost every adult Pinna [= Atrina] taken had its crustacean commensual, Pinnotheres ", as did Stead (1971): in a sample of 87 A. zelandica taken from Whangarei Harbour on 13 May 1982, 83 (95.4%) contained a specimen of P. atrinicola. Remarks. Differences between P. novaezelandiae and Pinnotheres from Atrina zelandica were first noted by Bennett (1964, p. 76), who observed that mature females of " P. novaezelandiae " from A. zelandica were usually larger and had relatively longer legs. Wear (1965) reported zoea larvae of 2 species of Pinnotheres in Wellington Harbour plankton: one he could not distinguish from P. novaezelandiae as described by Bennett (1964, p. 78-79, fig. 92 and 93); the other, he suggested, was probably P. schauinslandi, "as this is the only other adult of the genus Pinnotheres recorded from New Zealand (Bennett, 1964)". Apart from figuring the telson of P. novaezelandiae, Wear did not describe his specimens. Jones (1977) has confirmed that they belong to different species. Using scanning electron microscopy, Jones (1975) compared first-stage zoeae of P. novaezelandiae and Pinnotheres from A. zelandica, noting small differences in the morphology of the rostrum, labrum, and mandibles which led him to suggest that the latter was a different species (Jones 1975, 1978). P. atrinicola is obviously very similar morphologically to P. novaezelandiae. The latter is more common in mytilids, especially Perna canaliculus, while with 2 exceptions P. atrinicola is known only from A. zelandica. Chione stutchburyi is the only host the 2 species have in common. This relative lack of overlap in hosts raises the possibility that the crabs I have recognised here as distinct species are in reality morphs of a single, polymorphic species in which post-planktonic morphology is determined by the identity of the host occupied. However, the morphology of both species is relatively constant, and both P. novaezelandiae and P. atrinicola show no patent morphological changes when found in bivalves other than their respective principal hosts, Perna canaliculus and Atrina zelandica. Further work, such as an electrophoretic study of allele frequencies in pea crabs from these 2 hosts, would help remove any remaining doubt about the status of P. atrinicola. The specific epithet is constructed from Atrina, genus of the type host, and -cola (L.), a suffix denoting one who inhabits., Published as part of Page, Roderic D. M., 2012, Description of a new species of Pinnotheres, and redescription of P. novaezelandiae (Brachyura: Pinnotheridae), pp. 151-162 in New Zealand Journal of Zoology 10 (2) on pages 158-161, DOI: 10.1080/03014223.1983.10423904, {"references":["1911: Scientific results of the New Zealand Government trawling expedition, 1907 - Crustacea. Records of the Canterbury Museum 3: 285 - 312.","Scott, M. S. 1961: A review of the New Zealand Pinnotheridae. Transactions of the Royal Society of New Zealand, zoology 1 (22): 303 - 309.","Bennett, E. W. 1964: The marine fauna of New Zealand: Crustacea Brachyura. New Zealand Department of Scientific and Industrial Research bulletin 153. 123 p.","Takeda, M.; Miyake, S. 1969: A small collection of crabs from New Zealand. OHMU; occasional papers of the Zoological Laboratory, Faculty ot Agriculture, Kyushu University, Fukuoka, Japan 2 (8): 157 - 193.","Waite, E. R. 1909: Scientific results of the New Zealand Government Trawling Expedition 1907. Introduction. Records ot the Canterbury Museum 1 (2): 45 - 64.","Gordon, I. 1936: On a few Indo-Pacific species of Pinnotheres, with special reference to the asymmetry of the walking legs. Journal of the Linnean Society of London, zoology 40 (269): 163 - 180.","Wear, R. G. 1965: Zooplankton of Wellington Harbour, New Zealand. Zoology publications from Victoria University, Wellington 38. 31 p.","Stead: D. H. 1971: A preliminary survey of mussel stocks in Pelorus Sound. New Zealand Marine Department fisheries technical report 61. 16 p.","1977: Post-planktonic stages of Pinnotheres novaezelandiae Filhol, 1886 (Brachyura: Pinnotheridae). New Zealand journal ot marine and freshwater research 11 (1): 145 - 158.","Jones, J. B. 1975: Studies on animals closely associated with some New Zealand marine shellfish. Unpubl. PhD thesis, Victoria University of Wellington, New Zealand.","1978: Natural history of the pea crab in Wellington Harbour, New Zealand. New Zealand journal ot marine and freshwater research 11 (4): 667 - 676."]}